10211112221022 has 24 divisors (see below), whose sum is σ = 23085992848464. Its totient is φ = 3255716939904.

The previous prime is 10211112220987. The next prime is 10211112221027. The reversal of 10211112221022 is 22012221111201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10211112220986 and 10211112221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211112221027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12332260723 + ... + 12332261550.

It is an arithmetic number, because the mean of its divisors is an integer number (961916368686).

Almost surely, 2^{10211112221022} is an apocalyptic number.

10211112221022 is an abundant number, since it is smaller than the sum of its proper divisors (12874880627442).

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

10211112221022 is a wasteful number, since it uses less digits than its factorization.

10211112221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664522304 (or 24664522301 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10211112221022 its reverse (22012221111201), we get a palindrome (32223333332223).

The spelling of 10211112221022 in words is "ten trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".