1010102102 has 4 divisors (see below), whose sum is σ = 1515153156. Its totient is φ = 505051050.

The previous prime is 1010102101. The next prime is 1010102113. The reversal of 1010102102 is 2012010101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1010102102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525524 + ... + 252525527.

It is an arithmetic number, because the mean of its divisors is an integer number (378788289).

Almost surely, 2^1010102102 is an apocalyptic number.

1010102102 is a deficient number, since it is larger than the sum of its proper divisors (505051054).

1010102102 is an equidigital number, since it uses as much as digits as its factorization.

1010102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505051053.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1010102102 is about 31782.1034860816. The cubic root of 1010102102 is about 1003.3560913837.

Adding to 1010102102 its reverse (2012010101), we get a palindrome (3022112203).

The spelling of 1010102102 in words is "one billion, ten million, one hundred two thousand, one hundred two".