1202020021110 has 32 divisors (see below), whose sum is σ = 2927905489152. Its totient is φ = 315754512480.

The previous prime is 1202020021099. The next prime is 1202020021129. The reversal of 1202020021110 is 111200202021.

It is a super-2 number, since 2×1202020021110² (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 15 ways as a sum of consecutive naturals, for example, 299007946 + ... + 299011965.

It is an arithmetic number, because the mean of its divisors is an integer number (91497046536).

Almost surely, 2^{1202020021110} is an apocalyptic number.

1202020021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202020021110 is an abundant number, since it is smaller than the sum of its proper divisors (1725885468042).

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

1202020021110 is a wasteful number, since it uses less digits than its factorization.

1202020021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598019988.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202020021110 its reverse (111200202021), we get a palindrome (1313220223131).

The spelling of 1202020021110 in words is "one trillion, two hundred two billion, twenty million, twenty-one thousand, one hundred ten".