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102111212222002 = 2181989128054211
BaseRepresentation
bin10111001101111010011110…
…100010000011011000110010
3111101112201212221120121121001
4113031322132202003120302
5101340442230312101002
61001101124315352214
730336202013011564
oct2715723642033062
9441481787517531
10102111212222002
112a5991382a1435
12b551a0645266a
1344c907a08a729
141b302cd877334
15bc1230ee6a87
hex5cde9e883632

102111212222002 has 8 divisors (see below), whose sum is σ = 153166907955312. Its totient is φ = 51055576236900.

The previous prime is 102111212221979. The next prime is 102111212222003. The reversal of 102111212222002 is 200222212111201.

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

It is a super-2 number, since 2×1021112122220022 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102111212222003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10387324 + ... + 17666887.

It is an arithmetic number, because the mean of its divisors is an integer number (19145863494414).

Almost surely, 2102111212222002 is an apocalyptic number.

102111212222002 is a deficient number, since it is larger than the sum of its proper divisors (51055695733310).

102111212222002 is a wasteful number, since it uses less digits than its factorization.

102111212222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29874104.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102111212222002 its reverse (200222212111201), we get a palindrome (302333424333203).

The spelling of 102111212222002 in words is "one hundred two trillion, one hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two".

Divisors: 1 2 1819891 3639782 28054211 56108422 51055606111001 102111212222002