990101102 has 16 divisors (see below), whose sum is σ = 1554429312. Its totient is φ = 472088760.

The previous prime is 990101071. The next prime is 990101129. The reversal of 990101102 is 201101099.

It is a super-2 number, since 2×990101102² = 1960600384363228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 17288 + ... + 47739.

It is an arithmetic number, because the mean of its divisors is an integer number (97151832).

Almost surely, 2^990101102 is an apocalyptic number.

990101102 is a deficient number, since it is larger than the sum of its proper divisors (564328210).

990101102 is a wasteful number, since it uses less digits than its factorization.

990101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65383.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 990101102 is about 31465.8720203334. The cubic root of 990101102 is about 996.6894194846.

The spelling of 990101102 in words is "nine hundred ninety million, one hundred one thousand, one hundred two".