101022121210 has 16 divisors (see below), whose sum is σ = 181864747656. Its totient is φ = 40403308608.

The previous prime is 101022121201. The next prime is 101022121219. The reversal of 101022121210 is 12121220101.

It is an interprime number because it is at equal distance from previous prime (101022121201) and next prime (101022121219).

It can be written as a sum of positive squares in 4 ways, for example, as 38426584729 + 62595536481 = 196027^2 + 250191^2 .

It is not an unprimeable number, because it can be changed into a prime (101022121219) 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, 615489 + ... + 762148.

Almost surely, 2^101022121210 is an apocalyptic number.

101022121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101022121210 is a deficient number, since it is larger than the sum of its proper divisors (80842626446).

101022121210 is a wasteful number, since it uses less digits than its factorization.

101022121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384977.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101022121210 its reverse (12121220101), we get a palindrome (113143341311).

It can be divided in two parts, 10102 and 2121210, that added together give a palindrome (2131312).

The spelling of 101022121210 in words is "one hundred one billion, twenty-two million, one hundred twenty-one thousand, two hundred ten".