1011022019988 has 48 divisors (see below), whose sum is σ = 2435285067264. Its totient is φ = 326118021120.

The previous prime is 1011022019971. The next prime is 1011022020011. The reversal of 1011022019988 is 8899102201101.

It is a happy number.

It is a congruent number.

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, 7708656 + ... + 7838712.

It is an arithmetic number, because the mean of its divisors is an integer number (50735105568).

Almost surely, 2^{1011022019988} is an apocalyptic number.

It is an amenable number.

1011022019988 is an abundant number, since it is smaller than the sum of its proper divisors (1424263047276).

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

1011022019988 is a wasteful number, since it uses less digits than its factorization.

1011022019988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150992 (or 150990 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 1011022019988 in words is "one trillion, eleven billion, twenty-two million, nineteen thousand, nine hundred eighty-eight".