1011032213100 has 144 divisors (see below), whose sum is σ = 3600311731968. Its totient is φ = 213316680960.

The previous prime is 1011032213047. The next prime is 1011032213171. The reversal of 1011032213100 is 13122301101.

It is a happy number.

It is a super-3 number, since 3×1011032213100³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1011032213100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18489774 + ... + 18544373.

Almost surely, 2^{1011032213100} is an apocalyptic number.

1011032213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011032213100 is an abundant number, since it is smaller than the sum of its proper divisors (2589279518868).

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

1011032213100 is a wasteful number, since it uses less digits than its factorization.

1011032213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37034184 (or 37034177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1011032213100 its reverse (13122301101), we get a palindrome (1024154514201).

The spelling of 1011032213100 in words is "one trillion, eleven billion, thirty-two million, two hundred thirteen thousand, one hundred".