1021110121002 has 32 divisors (see below), whose sum is σ = 2047975200000. Its totient is φ = 339411054528.

The previous prime is 1021110120931. The next prime is 1021110121027. The reversal of 1021110121002 is 2001210111201.

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, 45678124 + ... + 45700472.

It is an arithmetic number, because the mean of its divisors is an integer number (63999225000).

Almost surely, 2^{1021110121002} is an apocalyptic number.

1021110121002 is an abundant number, since it is smaller than the sum of its proper divisors (1026865078998).

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

1021110121002 is a wasteful number, since it uses less digits than its factorization.

1021110121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43470.

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

Adding to 1021110121002 its reverse (2001210111201), we get a palindrome (3022320232203).

The spelling of 1021110121002 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twenty-one thousand, two".