101210020102 has 4 divisors (see below), whose sum is σ = 151815030156. Its totient is φ = 50605010050.

The previous prime is 101210020091. The next prime is 101210020103. The reversal of 101210020102 is 201020012101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201020012101 = 53 ⋅3792830417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210020103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302505024 + ... + 25302505027.

It is an arithmetic number, because the mean of its divisors is an integer number (37953757539).

Almost surely, 2^101210020102 is an apocalyptic number.

101210020102 is a deficient number, since it is larger than the sum of its proper divisors (50605010054).

101210020102 is an equidigital number, since it uses as much as digits as its factorization.

101210020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605010053.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101210020102 its reverse (201020012101), we get a palindrome (302230032203).

The spelling of 101210020102 in words is "one hundred one billion, two hundred ten million, twenty thousand, one hundred two".