1021010200102 has 16 divisors (see below), whose sum is σ = 1533051900432. Its totient is φ = 509993128960.

The previous prime is 1021010199983. The next prime is 1021010200103. The reversal of 1021010200102 is 2010020101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021010200103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236853 + ... + 9346735.

It is an arithmetic number, because the mean of its divisors is an integer number (95815743777).

Almost surely, 2^{1021010200102} is an apocalyptic number.

1021010200102 is a deficient number, since it is larger than the sum of its proper divisors (512041700330).

1021010200102 is a wasteful number, since it uses less digits than its factorization.

1021010200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114503.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1021010200102 its reverse (2010020101201), we get a palindrome (3031030301303).

The spelling of 1021010200102 in words is "one trillion, twenty-one billion, ten million, two hundred thousand, one hundred two".