101010120102 has 48 divisors (see below), whose sum is σ = 224819814960. Its totient is φ = 32752817856.

The previous prime is 101010120091. The next prime is 101010120103. The reversal of 101010120102 is 201021010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010120103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3591049 + ... + 3619067.

It is an arithmetic number, because the mean of its divisors is an integer number (4683746145).

Almost surely, 2^101010120102 is an apocalyptic number.

101010120102 is an abundant number, since it is smaller than the sum of its proper divisors (123809694858).

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

101010120102 is a wasteful number, since it uses less digits than its factorization.

101010120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477 (or 33474 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101010120102 its reverse (201021010101), we get a palindrome (302031130203).

It can be divided in two parts, 1010101 and 20102, that multiplied together give a palindrome (20305050302).

The spelling of 101010120102 in words is "one hundred one billion, ten million, one hundred twenty thousand, one hundred two".