102101033202021 has 40 divisors (see below), whose sum is σ = 175682573383680. Its totient is φ = 57884050278432.

The previous prime is 102101033202011. The next prime is 102101033202031. The reversal of 102101033202021 is 120202330101201.

102101033202021 is a `hidden beast` number, since 10 + 210 + 103 + 320 + 2 + 0 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (102101033202011) and next prime (102101033202031).

It is not a de Polignac number, because 102101033202021 - 2²¹ = 102101031104869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102101033201985 and 102101033202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101033202011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 708874326 + ... + 709018343.

It is an arithmetic number, because the mean of its divisors is an integer number (4392064334592).

Almost surely, 2^{102101033202021} is an apocalyptic number.

It is an amenable number.

102101033202021 is a deficient number, since it is larger than the sum of its proper divisors (73581540181659).

102101033202021 is a wasteful number, since it uses less digits than its factorization.

102101033202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417892815 (or 1417892806 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102101033202021 its reverse (120202330101201), we get a palindrome (222303363303222).

The spelling of 102101033202021 in words is "one hundred two trillion, one hundred one billion, thirty-three million, two hundred two thousand, twenty-one".