20101022212202 has 16 divisors (see below), whose sum is σ = 31926773158920. Its totient is φ = 9458824501248.

The previous prime is 20101022212169. The next prime is 20101022212223. The reversal of 20101022212202 is 20221222010102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17634548821201 + 2466473391001 = 4199351^2 + 1570501^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 14321927 + ... + 15662682.

Almost surely, 2^{20101022212202} is an apocalyptic number.

20101022212202 is a deficient number, since it is larger than the sum of its proper divisors (11825750946718).

20101022212202 is a wasteful number, since it uses less digits than its factorization.

20101022212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004345.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20101022212202 its reverse (20221222010102), we get a palindrome (40322244222304).

The spelling of 20101022212202 in words is "twenty trillion, one hundred one billion, twenty-two million, two hundred twelve thousand, two hundred two".