1021120210108 has 6 divisors (see below), whose sum is σ = 1786960367696. Its totient is φ = 510560105052.

The previous prime is 1021120210081. The next prime is 1021120210109. The reversal of 1021120210108 is 8010120211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021120210109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127640026260 + ... + 127640026267.

Almost surely, 2^{1021120210108} is an apocalyptic number.

It is an amenable number.

1021120210108 is a deficient number, since it is larger than the sum of its proper divisors (765840157588).

1021120210108 is a wasteful number, since it uses less digits than its factorization.

1021120210108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255280052531 (or 255280052529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1021120210108 its reverse (8010120211201), we get a palindrome (9031240421309).

The spelling of 1021120210108 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred ten thousand, one hundred eight".