2111100221002 has 32 divisors (see below), whose sum is σ = 3250560326400. Its totient is φ = 1027961131008.

The previous prime is 2111100220987. The next prime is 2111100221017. The reversal of 2111100221002 is 2001220011112.

It is an interprime number because it is at equal distance from previous prime (2111100220987) and next prime (2111100221017).

It is a super-2 number, since 2×2111100221002² (a number of 25 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, 5249058 + ... + 5636914.

It is an arithmetic number, because the mean of its divisors is an integer number (101580010200).

Almost surely, 2^{2111100221002} is an apocalyptic number.

2111100221002 is a deficient number, since it is larger than the sum of its proper divisors (1139460105398).

2111100221002 is a wasteful number, since it uses less digits than its factorization.

2111100221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388350.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111100221002 its reverse (2001220011112), we get a palindrome (4112320232114).

The spelling of 2111100221002 in words is "two trillion, one hundred eleven billion, one hundred million, two hundred twenty-one thousand, two".