212011001211102 has 16 divisors (see below), whose sum is σ = 442457741658240. Its totient is φ = 67597710531032.

The previous prime is 212011001211101. The next prime is 212011001211193. The reversal of 212011001211102 is 201112100110212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011001211101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768155801352 + ... + 768155801627.

It is an arithmetic number, because the mean of its divisors is an integer number (27653608853640).

Almost surely, 2^{212011001211102} is an apocalyptic number.

212011001211102 is an abundant number, since it is smaller than the sum of its proper divisors (230446740447138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011001211102 is a wasteful number, since it uses less digits than its factorization.

212011001211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536311603007.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212011001211102 its reverse (201112100110212), we get a palindrome (413123101321314).

The spelling of 212011001211102 in words is "two hundred twelve trillion, eleven billion, one million, two hundred eleven thousand, one hundred two".