1220102101008 has 160 divisors (see below), whose sum is σ = 4237889829120. Its totient is φ = 328094668800.

The previous prime is 1220102100961. The next prime is 1220102101069. The reversal of 1220102101008 is 8001012010221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11815443 + ... + 11918258.

It is an arithmetic number, because the mean of its divisors is an integer number (26486811432).

Almost surely, 2^{1220102101008} is an apocalyptic number.

1220102101008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1220102101008 is an abundant number, since it is smaller than the sum of its proper divisors (3017787728112).

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

1220102101008 is a wasteful number, since it uses less digits than its factorization.

1220102101008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733742 (or 23733730 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1220102101008 its reverse (8001012010221), we get a palindrome (9221114111229).

The spelling of 1220102101008 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred one thousand, eight".