2101121022002 has 16 divisors (see below), whose sum is σ = 3171403730880. Its totient is φ = 1043989817808.

The previous prime is 2101121021971. The next prime is 2101121022017. The reversal of 2101121022002 is 2002201211012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407588 + ... + 2090064.

It is an arithmetic number, because the mean of its divisors is an integer number (198212733180).

Almost surely, 2^{2101121022002} is an apocalyptic number.

2101121022002 is a deficient number, since it is larger than the sum of its proper divisors (1070282708878).

2101121022002 is a wasteful number, since it uses less digits than its factorization.

2101121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686385.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2101121022002 its reverse (2002201211012), we get a palindrome (4103322233014).

The spelling of 2101121022002 in words is "two trillion, one hundred one billion, one hundred twenty-one million, twenty-two thousand, two".