20120210111022 has 96 divisors (see below), whose sum is σ = 47099197474560. Its totient is φ = 5713163568000.

The previous prime is 20120210110993. The next prime is 20120210111059. The reversal of 20120210111022 is 22011101202102.

It is a junction number, because it is equal to n+sod(n) for n = 20120210110992 and 20120210111010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291558522 + ... + 291627522.

It is an arithmetic number, because the mean of its divisors is an integer number (490616640360).

Almost surely, 2^{20120210111022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120210111022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23549598737280).

20120210111022 is an abundant number, since it is smaller than the sum of its proper divisors (26978987363538).

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

20120210111022 is a wasteful number, since it uses less digits than its factorization.

20120210111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75126 (or 75119 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120210111022 its reverse (22011101202102), we get a palindrome (42131311313124).

The spelling of 20120210111022 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, one hundred eleven thousand, twenty-two".