1011020012192 has 48 divisors (see below), whose sum is σ = 1998719597952. Its totient is φ = 503410429440.

The previous prime is 1011020012161. The next prime is 1011020012209. The reversal of 1011020012192 is 2912100201101.

It is a super-2 number, since 2×1011020012192² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19425308 + ... + 19477284.

It is an arithmetic number, because the mean of its divisors is an integer number (41639991624).

Almost surely, 2^{1011020012192} is an apocalyptic number.

It is an amenable number.

1011020012192 is a deficient number, since it is larger than the sum of its proper divisors (987699585760).

1011020012192 is a wasteful number, since it uses less digits than its factorization.

1011020012192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54501 (or 54493 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1011020012192 its reverse (2912100201101), we get a palindrome (3923120213293).

The spelling of 1011020012192 in words is "one trillion, eleven billion, twenty million, twelve thousand, one hundred ninety-two".