1010101020102 has 48 divisors (see below), whose sum is σ = 2235313409472. Its totient is φ = 329507568000.

The previous prime is 1010101020067. The next prime is 1010101020109. The reversal of 1010101020102 is 2010201010101.

It is a happy number.

It is a super-2 number, since 2×1010101020102² (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 not an unprimeable number, because it can be changed into a prime (1010101020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10952928 + ... + 11044764.

It is an arithmetic number, because the mean of its divisors is an integer number (46569029364).

Almost surely, 2^{1010101020102} is an apocalyptic number.

1010101020102 is an abundant number, since it is smaller than the sum of its proper divisors (1225212389370).

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

1010101020102 is a wasteful number, since it uses less digits than its factorization.

1010101020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104893 (or 104890 counting only the distinct ones).

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

Adding to 1010101020102 its reverse (2010201010101), we get a palindrome (3020302030203).

The spelling of 1010101020102 in words is "one trillion, ten billion, one hundred one million, twenty thousand, one hundred two".