22010111021212 has 24 divisors (see below), whose sum is σ = 38540495552832. Its totient is φ = 10998542155200.

The previous prime is 22010111021189. The next prime is 22010111021233. The reversal of 22010111021212 is 21212011101022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70248333 + ... + 70560955.

It is an arithmetic number, because the mean of its divisors is an integer number (1605853981368).

Almost surely, 2^{22010111021212} is an apocalyptic number.

It is an amenable number.

22010111021212 is a deficient number, since it is larger than the sum of its proper divisors (16530384531620).

22010111021212 is a wasteful number, since it uses less digits than its factorization.

22010111021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322989 (or 322987 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22010111021212 its reverse (21212011101022), we get a palindrome (43222122122234).

It can be divided in two parts, 2201011 and 1021212, that added together give a palindrome (3222223).

The spelling of 22010111021212 in words is "twenty-two trillion, ten billion, one hundred eleven million, twenty-one thousand, two hundred twelve".