201213100098 has 36 divisors (see below), whose sum is σ = 451513298418. Its totient is φ = 64758234240.

The previous prime is 201213100073. The next prime is 201213100117. The reversal of 201213100098 is 890001312102.

It can be written as a sum of positive squares in 3 ways, for example, as 183575400849 + 17637699249 = 428457^2 + 132807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6630823 + ... + 6661098.

Almost surely, 2^201213100098 is an apocalyptic number.

201213100098 is an abundant number, since it is smaller than the sum of its proper divisors (250300198320).

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

201213100098 is a wasteful number, since it uses less digits than its factorization.

201213100098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291987 (or 13291955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 201213100098 in words is "two hundred one billion, two hundred thirteen million, one hundred thousand, ninety-eight".