1111012202000 has 80 divisors (see below), whose sum is σ = 2687996800944. Its totient is φ = 444145280000.

The previous prime is 1111012201969. The next prime is 1111012202011. The reversal of 1111012202000 is 2022101111.

It can be written as a sum of positive squares in 8 ways, for example, as 458361496576 + 652650705424 = 677024^2 + 807868^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1111012202000² (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 15 ways as a sum of consecutive naturals, for example, 3280610 + ... + 3603390.

Almost surely, 2^{1111012202000} is an apocalyptic number.

1111012202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111012202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343998400472).

1111012202000 is an abundant number, since it is smaller than the sum of its proper divisors (1576984598944).

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

1111012202000 is a wasteful number, since it uses less digits than its factorization.

1111012202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324525 (or 324509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1111012202000 its reverse (2022101111), we get a palindrome (1113034303111).

The spelling of 1111012202000 in words is "one trillion, one hundred eleven billion, twelve million, two hundred two thousand".