1220101220102 has 8 divisors (see below), whose sum is σ = 1937807820216. Its totient is φ = 574165280032.

The previous prime is 1220101220101. The next prime is 1220101220113. The reversal of 1220101220102 is 2010221010221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101220101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17942664968 + ... + 17942665035.

It is an arithmetic number, because the mean of its divisors is an integer number (242225977527).

Almost surely, 2^{1220101220102} is an apocalyptic number.

1220101220102 is a deficient number, since it is larger than the sum of its proper divisors (717706600114).

1220101220102 is a wasteful number, since it uses less digits than its factorization.

1220101220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35885330022.

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

Adding to 1220101220102 its reverse (2010221010221), we get a palindrome (3230322230323).

The spelling of 1220101220102 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, one hundred two".