201102101988 has 24 divisors (see below), whose sum is σ = 469502349792. Its totient is φ = 66996303744.

The previous prime is 201102101951. The next prime is 201102102067. The reversal of 201102101988 is 889101201102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694070 + ... + 4736717.

It is an arithmetic number, because the mean of its divisors is an integer number (19562597908).

Almost surely, 2^201102101988 is an apocalyptic number.

It is an amenable number.

201102101988 is an abundant number, since it is smaller than the sum of its proper divisors (268400247804).

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

201102101988 is a wasteful number, since it uses less digits than its factorization.

201102101988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9432571 (or 9432569 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The spelling of 201102101988 in words is "two hundred one billion, one hundred two million, one hundred one thousand, nine hundred eighty-eight".