10122212226 has 16 divisors (see below), whose sum is σ = 23136485184. Its totient is φ = 2892060624.

The previous prime is 10122212197. The next prime is 10122212227. The reversal of 10122212226 is 62221222101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10122212227) 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, 120502485 + ... + 120502568.

It is an arithmetic number, because the mean of its divisors is an integer number (1446030324).

Almost surely, 2^10122212226 is an apocalyptic number.

10122212226 is an abundant number, since it is smaller than the sum of its proper divisors (13014272958).

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

10122212226 is a wasteful number, since it uses less digits than its factorization.

10122212226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241005065.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10122212226 its reverse (62221222101), we get a palindrome (72343434327).

The spelling of 10122212226 in words is "ten billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-six".