2001220099162 has 16 divisors (see below), whose sum is σ = 3072980881152. Its totient is φ = 976994277840.

The previous prime is 2001220099157. The next prime is 2001220099163. The reversal of 2001220099162 is 2619900221002.

It is a super-2 number, since 2×2001220099162² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001220099163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25244958 + ... + 25324105.

It is an arithmetic number, because the mean of its divisors is an integer number (192061305072).

Almost surely, 2^{2001220099162} is an apocalyptic number.

2001220099162 is a deficient number, since it is larger than the sum of its proper divisors (1071760781990).

2001220099162 is a wasteful number, since it uses less digits than its factorization.

2001220099162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50569533.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 2001220099162 in words is "two trillion, one billion, two hundred twenty million, ninety-nine thousand, one hundred sixty-two".