1021222022022 has 24 divisors (see below), whose sum is σ = 2212964034840. Its totient is φ = 340358676000.

The previous prime is 1021222022011. The next prime is 1021222022057. The reversal of 1021222022022 is 2202202221201.

1021222022022 is a `hidden beast` number, since 10 + 212 + 220 + 220 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021222021986 and 1021222022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3925872 + ... + 4177907.

It is an arithmetic number, because the mean of its divisors is an integer number (92206834785).

Almost surely, 2^{1021222022022} is an apocalyptic number.

1021222022022 is an abundant number, since it is smaller than the sum of its proper divisors (1191742012818).

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

1021222022022 is a wasteful number, since it uses less digits than its factorization.

1021222022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110788 (or 8110785 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1021222022022 its reverse (2202202221201), we get a palindrome (3223424243223).

The spelling of 1021222022022 in words is "one trillion, twenty-one billion, two hundred twenty-two million, twenty-two thousand, twenty-two".