1220110202002 has 16 divisors (see below), whose sum is σ = 1853821906200. Its totient is φ = 602211179520.

The previous prime is 1220110201993. The next prime is 1220110202009. The reversal of 1220110202002 is 2002020110221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1140327115321 + 79783086681 = 1067861^2 + 282459^2 .

It is a super-2 number, since 2×1220110202002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220110202009) 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, 10344399 + ... + 10461682.

Almost surely, 2^{1220110202002} is an apocalyptic number.

1220110202002 is a deficient number, since it is larger than the sum of its proper divisors (633711704198).

1220110202002 is a wasteful number, since it uses less digits than its factorization.

1220110202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20806461.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220110202002 its reverse (2002020110221), we get a palindrome (3222130312223).

The spelling of 1220110202002 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred two thousand, two".