20211022112 has 12 divisors (see below), whose sum is σ = 39790449846. Its totient is φ = 10105511040.

The previous prime is 20211022079. The next prime is 20211022127. The reversal of 20211022112 is 21122011202.

It can be written as a sum of positive squares in only one way, i.e., 18693452176 + 1517569936 = 136724^2 + 38956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315797189 + ... + 315797252.

Almost surely, 2^20211022112 is an apocalyptic number.

It is an amenable number.

20211022112 is a deficient number, since it is larger than the sum of its proper divisors (19579427734).

20211022112 is an equidigital number, since it uses as much as digits as its factorization.

20211022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631594451 (or 631594443 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211022112 its reverse (21122011202), we get a palindrome (41333033314).

The spelling of 20211022112 in words is "twenty billion, two hundred eleven million, twenty-two thousand, one hundred twelve".