1012022022220 has 48 divisors (see below), whose sum is σ = 2335373516448. Its totient is φ = 365321807360.

The previous prime is 1012022022217. The next prime is 1012022022283. The reversal of 1012022022220 is 222202202101.

It is a junction number, because it is equal to n+sod(n) for n = 1012022022194 and 1012022022203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16758547 + ... + 16818826.

It is an arithmetic number, because the mean of its divisors is an integer number (48653614926).

Almost surely, 2^{1012022022220} is an apocalyptic number.

1012022022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012022022220 is an abundant number, since it is smaller than the sum of its proper divisors (1323351494228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012022022220 is a wasteful number, since it uses less digits than its factorization.

1012022022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33577530 (or 33577528 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1012022022220 its reverse (222202202101), we get a palindrome (1234224224321).

The spelling of 1012022022220 in words is "one trillion, twelve billion, twenty-two million, twenty-two thousand, two hundred twenty".