212020311102 has 32 divisors (see below), whose sum is σ = 449009713152. Its totient is φ = 66512394624.

The previous prime is 212020311077. The next prime is 212020311133. The reversal of 212020311102 is 201113020212.

It is a super-2 number, since 2×212020311102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144973 + ... + 2241639.

It is an arithmetic number, because the mean of its divisors is an integer number (14031553536).

Almost surely, 2^212020311102 is an apocalyptic number.

212020311102 is an abundant number, since it is smaller than the sum of its proper divisors (236989402050).

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

212020311102 is a wasteful number, since it uses less digits than its factorization.

212020311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118192.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212020311102 its reverse (201113020212), we get a palindrome (413133331314).

The spelling of 212020311102 in words is "two hundred twelve billion, twenty million, three hundred eleven thousand, one hundred two".