9101221011002 has 32 divisors (see below), whose sum is σ = 14398252113600. Its totient is φ = 4302741800448.

The previous prime is 9101221010993. The next prime is 9101221011011. The reversal of 9101221011002 is 2001101221019.

It is an interprime number because it is at equal distance from previous prime (9101221010993) and next prime (9101221011011).

It is a super-2 number, since 2×9101221011002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40945388 + ... + 41167064.

It is an arithmetic number, because the mean of its divisors is an integer number (449945378550).

Almost surely, 2^{9101221011002} is an apocalyptic number.

9101221011002 is a deficient number, since it is larger than the sum of its proper divisors (5297031102598).

9101221011002 is a wasteful number, since it uses less digits than its factorization.

9101221011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223790.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 9101221011002 in words is "nine trillion, one hundred one billion, two hundred twenty-one million, eleven thousand, two".