1202120110220 has 48 divisors (see below), whose sum is σ = 2684935911168. Its totient is φ = 450533406720.

The previous prime is 1202120110069. The next prime is 1202120110241. The reversal of 1202120110220 is 220110212021.

It is a junction number, because it is equal to n+sod(n) for n = 1202120110195 and 1202120110204.

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, 7851641 + ... + 8003280.

It is an arithmetic number, because the mean of its divisors is an integer number (55936164816).

Almost surely, 2^{1202120110220} is an apocalyptic number.

1202120110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202120110220 is an abundant number, since it is smaller than the sum of its proper divisors (1482815800948).

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

1202120110220 is a wasteful number, since it uses less digits than its factorization.

1202120110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855170 (or 15855168 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202120110220 its reverse (220110212021), we get a palindrome (1422230322241).

The spelling of 1202120110220 in words is "one trillion, two hundred two billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".