22101011210 has 16 divisors (see below), whose sum is σ = 40133873736. Its totient is φ = 8762170368.

The previous prime is 22101011209. The next prime is 22101011221. The reversal of 22101011210 is 1211010122.

It can be written as a sum of positive squares in 4 ways, for example, as 5529855769 + 16571155441 = 74363^2 + 128729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101011191 and 22101011200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9778079 + ... + 9780338.

Almost surely, 2^22101011210 is an apocalyptic number.

22101011210 is a deficient number, since it is larger than the sum of its proper divisors (18032862526).

22101011210 is a wasteful number, since it uses less digits than its factorization.

22101011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19558537.

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

Adding to 22101011210 its reverse (1211010122), we get a palindrome (23312021332).

It can be divided in two parts, 221010112 and 10, that added together give a palindrome (221010122).

The spelling of 22101011210 in words is "twenty-two billion, one hundred one million, eleven thousand, two hundred ten".