102022020112 has 10 divisors (see below), whose sum is σ = 197667663998. Its totient is φ = 51011010048.

The previous prime is 102022020109. The next prime is 102022020119. The reversal of 102022020112 is 211020220201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56994877696 + 45027142416 = 238736^2 + 212196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102022020092 and 102022020101.

It is not an unprimeable number, because it can be changed into a prime (102022020119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188188113 + ... + 3188188144.

Almost surely, 2^102022020112 is an apocalyptic number.

It is an amenable number.

102022020112 is a deficient number, since it is larger than the sum of its proper divisors (95645643886).

102022020112 is an equidigital number, since it uses as much as digits as its factorization.

102022020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376376265 (or 6376376259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102022020112 its reverse (211020220201), we get a palindrome (313042240313).

The spelling of 102022020112 in words is "one hundred two billion, twenty-two million, twenty thousand, one hundred twelve".