1021011221102 has 16 divisors (see below), whose sum is σ = 1580990527872. Its totient is φ = 494015835360.

The previous prime is 1021011221093. The next prime is 1021011221117. The reversal of 1021011221102 is 2011221101201.

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, 1095608 + ... + 1800660.

It is an arithmetic number, because the mean of its divisors is an integer number (98811907992).

Almost surely, 2^{1021011221102} is an apocalyptic number.

1021011221102 is a deficient number, since it is larger than the sum of its proper divisors (559979306770).

1021011221102 is a wasteful number, since it uses less digits than its factorization.

1021011221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728443.

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

Adding to 1021011221102 its reverse (2011221101201), we get a palindrome (3032232322303).

The spelling of 1021011221102 in words is "one trillion, twenty-one billion, eleven million, two hundred twenty-one thousand, one hundred two".