222010010021121 has 32 divisors (see below), whose sum is σ = 339755991134208. Its totient is φ = 126318122835840.

The previous prime is 222010010021113. The next prime is 222010010021131. The reversal of 222010010021121 is 121120010010222.

222010010021121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222010010021121 - 2³ = 222010010021113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222010010021121.

It is not an unprimeable number, because it can be changed into a prime (222010010021131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12657945 + ... + 24581366.

It is an arithmetic number, because the mean of its divisors is an integer number (10617374722944).

Almost surely, 2^{222010010021121} is an apocalyptic number.

222010010021121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222010010021121 is a deficient number, since it is larger than the sum of its proper divisors (117745981113087).

222010010021121 is a wasteful number, since it uses less digits than its factorization.

222010010021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37240541.

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

Adding to 222010010021121 its reverse (121120010010222), we get a palindrome (343130020031343).

The spelling of 222010010021121 in words is "two hundred twenty-two trillion, ten billion, ten million, twenty-one thousand, one hundred twenty-one".