2221001122002 has 64 divisors (see below), whose sum is σ = 5024739557376. Its totient is φ = 649343534400.

The previous prime is 2221001121971. The next prime is 2221001122027. The reversal of 2221001122002 is 2002211001222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3828498 + ... + 4370285.

It is an arithmetic number, because the mean of its divisors is an integer number (78511555584).

Almost surely, 2^{2221001122002} is an apocalyptic number.

2221001122002 is an abundant number, since it is smaller than the sum of its proper divisors (2803738435374).

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

2221001122002 is a wasteful number, since it uses less digits than its factorization.

2221001122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198975.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2221001122002 its reverse (2002211001222), we get a palindrome (4223212123224).

The spelling of 2221001122002 in words is "two trillion, two hundred twenty-one billion, one million, one hundred twenty-two thousand, two".