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102212213213231 = 1167138686856463
BaseRepresentation
bin10111001111011000100010…
…101010010000100000101111
3111101220101120212202120122222
4113033120202222100200233
5101344121103040310411
61001215350441225555
730346405633200062
oct2717304252204057
9441811525676588
10102212213213231
112a627a57768010
12b5694b34922bb
134505755093574
141b351518228d9
15bc3b9305b4db
hex5cf622a9082f

102212213213231 has 8 divisors (see below), whose sum is σ = 113168474874624. Its totient is φ = 91533325264920.

The previous prime is 102212213213207. The next prime is 102212213213237. The reversal of 102212213213231 is 132312312212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102212213213231 - 230 = 102211139471407 is a prime.

It is a super-2 number, since 2×1022122132132312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102212213213231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212213213237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69343427495 + ... + 69343428968.

It is an arithmetic number, because the mean of its divisors is an integer number (14146059359328).

Almost surely, 2102212213213231 is an apocalyptic number.

102212213213231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102212213213231 is a deficient number, since it is larger than the sum of its proper divisors (10956261661393).

102212213213231 is a wasteful number, since it uses less digits than its factorization.

102212213213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138686856541.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 102212213213231 its reverse (132312312212201), we get a palindrome (234524525425432).

The spelling of 102212213213231 in words is "one hundred two trillion, two hundred twelve billion, two hundred thirteen million, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 11 67 737 138686856463 1525555421093 9292019383021 102212213213231