10021222222146 has 48 divisors (see below), whose sum is σ = 23701916128800. Its totient is φ = 3164596488288.

The previous prime is 10021222222129. The next prime is 10021222222147. The reversal of 10021222222146 is 64122222212001.

10021222222146 is a `hidden beast` number, since 1 + 0 + 0 + 212 + 222 + 221 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10021222222147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542617051 + ... + 542635518.

It is an arithmetic number, because the mean of its divisors is an integer number (493789919350).

Almost surely, 2^{10021222222146} is an apocalyptic number.

10021222222146 is an abundant number, since it is smaller than the sum of its proper divisors (13680693906654).

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

10021222222146 is a wasteful number, since it uses less digits than its factorization.

10021222222146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085252605 (or 1085252593 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 10021222222146 its reverse (64122222212001), we get a palindrome (74143444434147).

The spelling of 10021222222146 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred forty-six".