1012212102101 has 16 divisors (see below), whose sum is σ = 1036856471040. Its totient is φ = 987895708800.

The previous prime is 1012212102079. The next prime is 1012212102107. The reversal of 1012212102101 is 1012012122101.

It is a cyclic number.

It is not a de Polignac number, because 1012212102101 - 2¹⁸ = 1012211839957 is a prime.

It is a super-2 number, since 2×1012212102101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212102107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820240 + ... + 5025846.

It is an arithmetic number, because the mean of its divisors is an integer number (64803529440).

Almost surely, 2^{1012212102101} is an apocalyptic number.

It is an amenable number.

1012212102101 is a deficient number, since it is larger than the sum of its proper divisors (24644368939).

1012212102101 is a wasteful number, since it uses less digits than its factorization.

1012212102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206404.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012212102101 its reverse (1012012122101), we get a palindrome (2024224224202).

The spelling of 1012212102101 in words is "one trillion, twelve billion, two hundred twelve million, one hundred two thousand, one hundred one".