102010012112101 has 2 divisors, whose sum is σ = 102010012112102. Its totient is φ = 102010012112100.

The previous prime is 102010012112059. The next prime is 102010012112111. The reversal of 102010012112101 is 101211210010201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88148344900225 + 13861667211876 = 9388735^2 + 3723126^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010012112101 - 2¹¹ = 102010012110053 is a prime.

It is a super-2 number, since 2×102010012112101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010012112111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005006056050 + 51005006056051.

It is an arithmetic number, because the mean of its divisors is an integer number (51005006056051).

Almost surely, 2^{102010012112101} is an apocalyptic number.

It is an amenable number.

102010012112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010012112101 is an equidigital number, since it uses as much as digits as its factorization.

102010012112101 is an evil number, because the sum of its binary digits is even.

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

Adding to 102010012112101 its reverse (101211210010201), we get a palindrome (203221222122302).

The spelling of 102010012112101 in words is "one hundred two trillion, ten billion, twelve million, one hundred twelve thousand, one hundred one".