1020101010102 has 12 divisors (see below), whose sum is σ = 2210218855260. Its totient is φ = 340033670028.

The previous prime is 1020101010043. The next prime is 1020101010157. The reversal of 1020101010102 is 2010101010201.

It is a happy number.

It is a super-2 number, since 2×1020101010102² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28336139152 + ... + 28336139187.

It is an arithmetic number, because the mean of its divisors is an integer number (184184904605).

Almost surely, 2^{1020101010102} is an apocalyptic number.

1020101010102 is an abundant number, since it is smaller than the sum of its proper divisors (1190117845158).

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

1020101010102 is a wasteful number, since it uses less digits than its factorization.

1020101010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56672278347 (or 56672278344 counting only the distinct ones).

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

Adding to 1020101010102 its reverse (2010101010201), we get a palindrome (3030202020303).

Subtracting 1020101010102 from its reverse (2010101010201), we obtain a palindrome (990000000099).

The spelling of 1020101010102 in words is "one trillion, twenty billion, one hundred one million, ten thousand, one hundred two".