211001200988 has 12 divisors (see below), whose sum is σ = 369554033520. Its totient is φ = 105414334272.

The previous prime is 211001200951. The next prime is 211001200999. The reversal of 211001200988 is 889002100112.

It is a super-2 number, since 2×211001200988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 21561053 + ... + 21570836.

It is an arithmetic number, because the mean of its divisors is an integer number (30796169460).

Almost surely, 2^211001200988 is an apocalyptic number.

It is an amenable number.

211001200988 is a deficient number, since it is larger than the sum of its proper divisors (158552832532).

211001200988 is a wasteful number, since it uses less digits than its factorization.

211001200988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43133116 (or 43133114 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 211001200988 in words is "two hundred eleven billion, one million, two hundred thousand, nine hundred eighty-eight".