1020121011102 has 16 divisors (see below), whose sum is σ = 2040253937280. Its totient is φ = 340038351192.

The previous prime is 1020121011067. The next prime is 1020121011109. The reversal of 1020121011102 is 2011101210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020121011109) 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, 933273 + ... + 1706235.

It is an arithmetic number, because the mean of its divisors is an integer number (127515871080).

Almost surely, 2^{1020121011102} is an apocalyptic number.

1020121011102 is an abundant number, since it is smaller than the sum of its proper divisors (1020132926178).

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

1020121011102 is a wasteful number, since it uses less digits than its factorization.

1020121011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992927.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020121011102 its reverse (2011101210201), we get a palindrome (3031222221303).

The spelling of 1020121011102 in words is "one trillion, twenty billion, one hundred twenty-one million, eleven thousand, one hundred two".