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12210021010101 = 310495938777113
BaseRepresentation
bin1011000110101101110111…
…1101110000101010110101
31121020021012100122211212010
42301223131331300222311
53100022110334310401
641545112313114433
72400100463105265
oct261533575605265
947207170584763
1012210021010101
113988271600232
1214524733b8a19
136a7527b74325
14302d7a9317a5
15162926002ed6
hexb1addf70ab5

12210021010101 has 8 divisors (see below), whose sum is σ = 16280183541760. Its totient is φ = 8139936242592.

The previous prime is 12210021010073. The next prime is 12210021010111. The reversal of 12210021010101 is 10101012001221.

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

It is not a de Polignac number, because 12210021010101 - 26 = 12210021010037 is a prime.

It is a super-2 number, since 2×122100210101012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210021010111) 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, 19073680 + ... + 19703433.

It is an arithmetic number, because the mean of its divisors is an integer number (2035022942720).

Almost surely, 212210021010101 is an apocalyptic number.

It is an amenable number.

12210021010101 is a deficient number, since it is larger than the sum of its proper divisors (4070162531659).

12210021010101 is a wasteful number, since it uses less digits than its factorization.

12210021010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38882075.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12210021010101 its reverse (10101012001221), we get a palindrome (22311033011322).

The spelling of 12210021010101 in words is "twelve trillion, two hundred ten billion, twenty-one million, ten thousand, one hundred one".

Divisors: 1 3 104959 314877 38777113 116331339 4070007003367 12210021010101