101212112002111 has 32 divisors (see below), whose sum is σ = 127304654918400. Its totient is φ = 79211785121280.

The previous prime is 101212112002069. The next prime is 101212112002217. The reversal of 101212112002111 is 111200211212101.

It is not a de Polignac number, because 101212112002111 - 2²¹ = 101212109904959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212112002411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491041465 + ... + 491247538.

It is an arithmetic number, because the mean of its divisors is an integer number (3978270466200).

Almost surely, 2^{101212112002111} is an apocalyptic number.

101212112002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101212112002111 is a deficient number, since it is larger than the sum of its proper divisors (26092542916289).

101212112002111 is a wasteful number, since it uses less digits than its factorization.

101212112002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982289079.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 101212112002111 its reverse (111200211212101), we get a palindrome (212412323214212).

The spelling of 101212112002111 in words is "one hundred one trillion, two hundred twelve billion, one hundred twelve million, two thousand, one hundred eleven".