211131120408 has 128 divisors (see below), whose sum is σ = 612263097600. Its totient is φ = 60112958976.

The previous prime is 211131120383. The next prime is 211131120439. The reversal of 211131120408 is 804021131112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159235 + ... + 669042.

It is an arithmetic number, because the mean of its divisors is an integer number (4783305450).

Almost surely, 2^211131120408 is an apocalyptic number.

It is an amenable number.

211131120408 is an abundant number, since it is smaller than the sum of its proper divisors (401131977192).

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

211131120408 is a wasteful number, since it uses less digits than its factorization.

211131120408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828361 (or 828357 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 211131120408 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty thousand, four hundred eight".