101010203102 has 4 divisors (see below), whose sum is σ = 151515304656. Its totient is φ = 50505101550.

The previous prime is 101010203069. The next prime is 101010203123. The reversal of 101010203102 is 201302010101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201302010101 = 145679 ⋅1381819.

It is a super-2 number, since 2×101010203102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252550774 + ... + 25252550777.

It is an arithmetic number, because the mean of its divisors is an integer number (37878826164).

Almost surely, 2^101010203102 is an apocalyptic number.

101010203102 is a deficient number, since it is larger than the sum of its proper divisors (50505101554).

101010203102 is an equidigital number, since it uses as much as digits as its factorization.

101010203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50505101553.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101010203102 its reverse (201302010101), we get a palindrome (302312213203).

The spelling of 101010203102 in words is "one hundred one billion, ten million, two hundred three thousand, one hundred two".