10211221002122 has 32 divisors (see below), whose sum is σ = 17749213776000. Its totient is φ = 4315594304448.

The previous prime is 10211221002089. The next prime is 10211221002173. The reversal of 10211221002122 is 22120012211201.

10211221002122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10211221002122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17318393 + ... + 17898300.

It is an arithmetic number, because the mean of its divisors is an integer number (554662930500).

Almost surely, 2^{10211221002122} is an apocalyptic number.

10211221002122 is a deficient number, since it is larger than the sum of its proper divisors (7537992773878).

10211221002122 is a wasteful number, since it uses less digits than its factorization.

10211221002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35216990.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10211221002122 its reverse (22120012211201), we get a palindrome (32331233213323).

The spelling of 10211221002122 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, two thousand, one hundred twenty-two".