1111202020102 has 16 divisors (see below), whose sum is σ = 1726300502640. Its totient is φ = 535813441632.

The previous prime is 1111202020091. The next prime is 1111202020129. The reversal of 1111202020102 is 2010202021111.

It is a super-2 number, since 2×1111202020102² (a number of 25 digits) contains 22 as substring.

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, 11180688 + ... + 11279635.

It is an arithmetic number, because the mean of its divisors is an integer number (107893781415).

Almost surely, 2^{1111202020102} is an apocalyptic number.

1111202020102 is a deficient number, since it is larger than the sum of its proper divisors (615098482538).

1111202020102 is a wasteful number, since it uses less digits than its factorization.

1111202020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461207.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1111202020102 its reverse (2010202021111), we get a palindrome (3121404041213).

The spelling of 1111202020102 in words is "one trillion, one hundred eleven billion, two hundred two million, twenty thousand, one hundred two".