101011001010102 has 24 divisors (see below), whose sum is σ = 222566612397480. Its totient is φ = 33099650048160.

The previous prime is 101011001010089. The next prime is 101011001010103. The reversal of 101011001010102 is 201010100110101.

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 (101011001010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47556967399 + ... + 47556969522.

It is an arithmetic number, because the mean of its divisors is an integer number (9273608849895).

Almost surely, 2^{101011001010102} is an apocalyptic number.

101011001010102 is an abundant number, since it is smaller than the sum of its proper divisors (121555611387378).

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

101011001010102 is a wasteful number, since it uses less digits than its factorization.

101011001010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95113936988 (or 95113936985 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101011001010102 its reverse (201010100110101), we get a palindrome (302021101120203).

Subtracting 101011001010102 from its reverse (201010100110101), we obtain a palindrome (99999099099999).

The spelling of 101011001010102 in words is "one hundred one trillion, eleven billion, one million, ten thousand, one hundred two".