1100000021210 has 96 divisors (see below), whose sum is σ = 2056627164096. Its totient is φ = 423557683200.

The previous prime is 1100000021209. The next prime is 1100000021231. The reversal of 1100000021210 is 121200000011.

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, 509022530 + ... + 509024690.

It is an arithmetic number, because the mean of its divisors is an integer number (21423199626).

Almost surely, 2^{1100000021210} is an apocalyptic number.

1100000021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100000021210 is a deficient number, since it is larger than the sum of its proper divisors (956627142886).

1100000021210 is a wasteful number, since it uses less digits than its factorization.

1100000021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100000021210 its reverse (121200000011), we get a palindrome (1221200021221).

The spelling of 1100000021210 in words is "one trillion, one hundred billion, twenty-one thousand, two hundred ten".