20122010221101 has 16 divisors (see below), whose sum is σ = 27044444626944. Its totient is φ = 13307154671664.

The previous prime is 20122010221081. The next prime is 20122010221133. The reversal of 20122010221101 is 10112201022102.

It is not a de Polignac number, because 20122010221101 - 2¹¹ = 20122010219053 is a prime.

It is a super-2 number, since 2×20122010221101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122010222101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065991 + ... + 6432756.

It is an arithmetic number, because the mean of its divisors is an integer number (1690277789184).

Almost surely, 2^{20122010221101} is an apocalyptic number.

It is an amenable number.

20122010221101 is a deficient number, since it is larger than the sum of its proper divisors (6922434405843).

20122010221101 is a wasteful number, since it uses less digits than its factorization.

20122010221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505920.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122010221101 its reverse (10112201022102), we get a palindrome (30234211243203).

The spelling of 20122010221101 in words is "twenty trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, one hundred one".