1022021010102 has 16 divisors (see below), whose sum is σ = 2064280061232. Its totient is φ = 337300663200.

The previous prime is 1022021010071. The next prime is 1022021010169. The reversal of 1022021010102 is 2010101202201.

It is a congruent number.

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, 843251053 + ... + 843252264.

It is an arithmetic number, because the mean of its divisors is an integer number (129017503827).

Almost surely, 2^{1022021010102} is an apocalyptic number.

1022021010102 is an abundant number, since it is smaller than the sum of its proper divisors (1042259051130).

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

1022021010102 is a wasteful number, since it uses less digits than its factorization.

1022021010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686503423.

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

Adding to 1022021010102 its reverse (2010101202201), we get a palindrome (3032122212303).

The spelling of 1022021010102 in words is "one trillion, twenty-two billion, twenty-one million, ten thousand, one hundred two".