1100021121131 has 8 divisors (see below), whose sum is σ = 1123803372480. Its totient is φ = 1076485318272.

The previous prime is 1100021121103. The next prime is 1100021121179. The reversal of 1100021121131 is 1311211200011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100021121131 is a prime.

It is a super-2 number, since 2×1100021121131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100021121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61603100 + ... + 61620953.

It is an arithmetic number, because the mean of its divisors is an integer number (140475421560).

Almost surely, 2^{1100021121131} is an apocalyptic number.

1100021121131 is a deficient number, since it is larger than the sum of its proper divisors (23782251349).

1100021121131 is a wasteful number, since it uses less digits than its factorization.

1100021121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123224245.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1100021121131 its reverse (1311211200011), we get a palindrome (2411232321142).

The spelling of 1100021121131 in words is "one trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred thirty-one".