10222121112 has 32 divisors (see below), whose sum is σ = 29206060800. Its totient is φ = 2920605984.

The previous prime is 10222121111. The next prime is 10222121113. The reversal of 10222121112 is 21112122201.

It is an interprime number because it is at equal distance from previous prime (10222121111) and next prime (10222121113).

It is a super-2 number, since 2×10222121112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10222121091 and 10222121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30422812 + ... + 30423147.

It is an arithmetic number, because the mean of its divisors is an integer number (912689400).

Almost surely, 2^10222121112 is an apocalyptic number.

10222121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222121112 is an abundant number, since it is smaller than the sum of its proper divisors (18983939688).

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

10222121112 is a wasteful number, since it uses less digits than its factorization.

10222121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60845975 (or 60845971 counting only the distinct ones).

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

Adding to 10222121112 its reverse (21112122201), we get a palindrome (31334243313).

The spelling of 10222121112 in words is "ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".