210122101010 has 32 divisors (see below), whose sum is σ = 391366779840. Its totient is φ = 81128840128.

The previous prime is 210122101009. The next prime is 210122101067. The reversal of 210122101010 is 10101221012.

It is a junction number, because it is equal to n+sod(n) for n = 210122100982 and 210122101000.

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, 1007609 + ... + 1198131.

It is an arithmetic number, because the mean of its divisors is an integer number (12230211870).

Almost surely, 2^210122101010 is an apocalyptic number.

210122101010 is a deficient number, since it is larger than the sum of its proper divisors (181244678830).

210122101010 is a wasteful number, since it uses less digits than its factorization.

210122101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194362.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210122101010 its reverse (10101221012), we get a palindrome (220223322022).

The spelling of 210122101010 in words is "two hundred ten billion, one hundred twenty-two million, one hundred one thousand, ten".