211103972 has 12 divisors (see below), whose sum is σ = 372341760. Its totient is φ = 104720616.

The previous prime is 211103969. The next prime is 211103983. The reversal of 211103972 is 279301112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207272 + ... + 208287.

It is an arithmetic number, because the mean of its divisors is an integer number (31028480).

Almost surely, 2^211103972 is an apocalyptic number.

It is an amenable number.

211103972 is a deficient number, since it is larger than the sum of its proper divisors (161237788).

211103972 is a wasteful number, since it uses less digits than its factorization.

211103972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415690 (or 415688 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 211103972 is about 14529.4174693964. The cubic root of 211103972 is about 595.4319505419.

The spelling of 211103972 in words is "two hundred eleven million, one hundred three thousand, nine hundred seventy-two".