1021044140102 has 32 divisors (see below), whose sum is σ = 1861634783232. Its totient is φ = 410002856064.

The previous prime is 1021044140071. The next prime is 1021044140113. The reversal of 1021044140102 is 2010414401201.

It is a super-2 number, since 2×1021044140102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 9565988 + ... + 9672135.

It is an arithmetic number, because the mean of its divisors is an integer number (58176086976).

Almost surely, 2^{1021044140102} is an apocalyptic number.

1021044140102 is a deficient number, since it is larger than the sum of its proper divisors (840590643130).

1021044140102 is a wasteful number, since it uses less digits than its factorization.

1021044140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19238372.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1021044140102 its reverse (2010414401201), we get a palindrome (3031458541303).

The spelling of 1021044140102 in words is "one trillion, twenty-one billion, forty-four million, one hundred forty thousand, one hundred two".