101220030102 has 64 divisors (see below), whose sum is σ = 216751127040. Its totient is φ = 31433952000.

The previous prime is 101220030073. The next prime is 101220030103. The reversal of 101220030102 is 201030022101.

It is a super-2 number, since 2×101220030102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220030103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3487852 + ... + 3516752.

It is an arithmetic number, because the mean of its divisors is an integer number (3386736360).

Almost surely, 2^101220030102 is an apocalyptic number.

101220030102 is an abundant number, since it is smaller than the sum of its proper divisors (115531096938).

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

101220030102 is a wasteful number, since it uses less digits than its factorization.

101220030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29589.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101220030102 its reverse (201030022101), we get a palindrome (302250052203).

The spelling of 101220030102 in words is "one hundred one billion, two hundred twenty million, thirty thousand, one hundred two".