212011311102102 has 24 divisors (see below), whose sum is σ = 467143566837480. Its totient is φ = 69472633016160.

The previous prime is 212011311102091. The next prime is 212011311102127. The reversal of 212011311102102 is 201201113110212.

It is a happy number.

212011311102102 is a `hidden beast` number, since 2 + 120 + 11 + 311 + 10 + 210 + 2 = 666.

212011311102102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99817000399 + ... + 99817002522.

It is an arithmetic number, because the mean of its divisors is an integer number (19464315284895).

Almost surely, 2^{212011311102102} is an apocalyptic number.

212011311102102 is an abundant number, since it is smaller than the sum of its proper divisors (255132255735378).

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

212011311102102 is a wasteful number, since it uses less digits than its factorization.

212011311102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199634002988 (or 199634002985 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 212011311102102 its reverse (201201113110212), we get a palindrome (413212424212314).

The spelling of 212011311102102 in words is "two hundred twelve trillion, eleven billion, three hundred eleven million, one hundred two thousand, one hundred two".