2111021101002 has 64 divisors (see below), whose sum is σ = 4703039708544. Its totient is φ = 626334704640.

The previous prime is 2111021100997. The next prime is 2111021101037. The reversal of 2111021101002 is 2001011201112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939033 + ... + 2259164.

It is an arithmetic number, because the mean of its divisors is an integer number (73484995446).

Almost surely, 2^{2111021101002} is an apocalyptic number.

2111021101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111021101002 is an abundant number, since it is smaller than the sum of its proper divisors (2592018607542).

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

2111021101002 is a wasteful number, since it uses less digits than its factorization.

2111021101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198423.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111021101002 its reverse (2001011201112), we get a palindrome (4112032302114).

It can be divided in two parts, 21110 and 21101002, that added together give a palindrome (21122112).

The spelling of 2111021101002 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred one thousand, two".