1021011212102 has 16 divisors (see below), whose sum is σ = 1767634689312. Its totient is φ = 433243795200.

The previous prime is 1021011212069. The next prime is 1021011212147. The reversal of 1021011212102 is 2012121101201.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 361035083 + ... + 361037910.

It is an arithmetic number, because the mean of its divisors is an integer number (110477168082).

Almost surely, 2^{1021011212102} is an apocalyptic number.

1021011212102 is a deficient number, since it is larger than the sum of its proper divisors (746623477210).

1021011212102 is a wasteful number, since it uses less digits than its factorization.

1021011212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722073103.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021011212102 its reverse (2012121101201), we get a palindrome (3033132313303).

The spelling of 1021011212102 in words is "one trillion, twenty-one billion, eleven million, two hundred twelve thousand, one hundred two".