101012102111 has 2 divisors, whose sum is σ = 101012102112. Its totient is φ = 101012102110.

The previous prime is 101012102089. The next prime is 101012102153. The reversal of 101012102111 is 111201210101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101012102111 - 2²² = 101007907807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101012102092 and 101012102101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012192111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506051055 + 50506051056.

It is an arithmetic number, because the mean of its divisors is an integer number (50506051056).

Almost surely, 2^101012102111 is an apocalyptic number.

101012102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012102111 is an equidigital number, since it uses as much as digits as its factorization.

101012102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101012102111 its reverse (111201210101), we get a palindrome (212213312212).

The spelling of 101012102111 in words is "one hundred one billion, twelve million, one hundred two thousand, one hundred eleven".