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102110120112001 = 261202139092381
BaseRepresentation
bin10111001101111001011101…
…011011111110111110000001
3111101112122001211120200022111
4113031321131123332332001
5101340433011222041001
61001100424103535321
730336132652146451
oct2715713533767601
9441478054520274
10102110120112001
112a598727885a91
12b55176075a541
1344c8c34a400b1
141b302287cdd61
15bc11ba1bd851
hex5cde5d6fef81

102110120112001 has 4 divisors (see below), whose sum is σ = 102110161816404. Its totient is φ = 102110078407600.

The previous prime is 102110120111929. The next prime is 102110120112031. The reversal of 102110120112001 is 100211021011201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81634857110401 + 20475263001600 = 9035201^2 + 4524960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102110120112001 is a prime.

It is a super-2 number, since 2×1021101201120012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102110120112031) 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, 16934170 + ... + 22158211.

It is an arithmetic number, because the mean of its divisors is an integer number (25527540454101).

Almost surely, 2102110120112001 is an apocalyptic number.

It is an amenable number.

102110120112001 is a deficient number, since it is larger than the sum of its proper divisors (41704403).

102110120112001 is an equidigital number, since it uses as much as digits as its factorization.

102110120112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41704402.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102110120112001 its reverse (100211021011201), we get a palindrome (202321141123202).

The spelling of 102110120112001 in words is "one hundred two trillion, one hundred ten billion, one hundred twenty million, one hundred twelve thousand, one".

Divisors: 1 2612021 39092381 102110120112001