101026365650 has 48 divisors (see below), whose sum is σ = 214813495104. Its totient is φ = 34627884480.

The previous prime is 101026365637. The next prime is 101026365677. The reversal of 101026365650 is 56563620101.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 101026365650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1267889 + ... + 1345211.

It is an arithmetic number, because the mean of its divisors is an integer number (4475281148).

Almost surely, 2^101026365650 is an apocalyptic number.

101026365650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101026365650 is an abundant number, since it is smaller than the sum of its proper divisors (113787129454).

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

101026365650 is a wasteful number, since it uses less digits than its factorization.

101026365650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81075 (or 81070 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 101026365650 its reverse (56563620101), we get a palindrome (157589985751).

The spelling of 101026365650 in words is "one hundred one billion, twenty-six million, three hundred sixty-five thousand, six hundred fifty".