9970221102 has 32 divisors (see below), whose sum is σ = 20812716288. Its totient is φ = 3178101696.

The previous prime is 9970221091. The next prime is 9970221103. The reversal of 9970221102 is 2011220799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970221103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777898 + ... + 790610.

It is an arithmetic number, because the mean of its divisors is an integer number (650397384).

Almost surely, 2^9970221102 is an apocalyptic number.

9970221102 is an abundant number, since it is smaller than the sum of its proper divisors (10842495186).

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

9970221102 is a wasteful number, since it uses less digits than its factorization.

9970221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 9970221102 is about 99850.9944968001. The cubic root of 9970221102 is about 2152.2940073552.

The spelling of 9970221102 in words is "nine billion, nine hundred seventy million, two hundred twenty-one thousand, one hundred two".