1220100110202 has 32 divisors (see below), whose sum is σ = 2481149210112. Its totient is φ = 399897401904.

The previous prime is 1220100110191. The next prime is 1220100110213. The reversal of 1220100110202 is 2020110010221.

It is an interprime number because it is at equal distance from previous prime (1220100110191) and next prime (1220100110213).

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, 2554398 + ... + 2994185.

It is an arithmetic number, because the mean of its divisors is an integer number (77535912816).

Almost surely, 2^{1220100110202} is an apocalyptic number.

1220100110202 is an abundant number, since it is smaller than the sum of its proper divisors (1261049099910).

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

1220100110202 is a wasteful number, since it uses less digits than its factorization.

1220100110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549202.

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

Adding to 1220100110202 its reverse (2020110010221), we get a palindrome (3240210120423).

The spelling of 1220100110202 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred ten thousand, two hundred two".