1021020102210 has 32 divisors (see below), whose sum is σ = 2450479122432. Its totient is φ = 272268596480.

The previous prime is 1021020102197. The next prime is 1021020102227. The reversal of 1021020102210 is 122010201201.

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, 2992255 + ... + 3315965.

It is an arithmetic number, because the mean of its divisors is an integer number (76577472576).

Almost surely, 2^{1021020102210} is an apocalyptic number.

1021020102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021020102210 is an abundant number, since it is smaller than the sum of its proper divisors (1429459020222).

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

1021020102210 is a wasteful number, since it uses less digits than its factorization.

1021020102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428858.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021020102210 its reverse (122010201201), we get a palindrome (1143030303411).

The spelling of 1021020102210 in words is "one trillion, twenty-one billion, twenty million, one hundred two thousand, two hundred ten".