101021000121002 has 16 divisors (see below), whose sum is σ = 163189813473792. Its totient is φ = 46624492965360.

The previous prime is 101021000120917. The next prime is 101021000121043. The reversal of 101021000121002 is 200121000120101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22214774 + ... + 26373057.

It is an arithmetic number, because the mean of its divisors is an integer number (10199363342112).

Almost surely, 2^{101021000121002} is an apocalyptic number.

101021000121002 is a deficient number, since it is larger than the sum of its proper divisors (62168813352790).

101021000121002 is a wasteful number, since it uses less digits than its factorization.

101021000121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48667813.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021000121002 its reverse (200121000120101), we get a palindrome (301142000241103).

Subtracting 101021000121002 from its reverse (200121000120101), we obtain a palindrome (99099999999099).

The spelling of 101021000121002 in words is "one hundred one trillion, twenty-one billion, one hundred twenty-one thousand, two".