102011102201021 has 32 divisors (see below), whose sum is σ = 111528324230400. Its totient is φ = 92744089067520.

The previous prime is 102011102201003. The next prime is 102011102201089. The reversal of 102011102201021 is 120102201110201.

It is a cyclic number.

It is not a de Polignac number, because 102011102201021 - 2⁶ = 102011102200957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011102200987 and 102011102201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011102201321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205936040 + ... + 206430798.

It is an arithmetic number, because the mean of its divisors is an integer number (3485260132200).

Almost surely, 2^{102011102201021} is an apocalyptic number.

It is an amenable number.

102011102201021 is a deficient number, since it is larger than the sum of its proper divisors (9517222029379).

102011102201021 is a wasteful number, since it uses less digits than its factorization.

102011102201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495749.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102011102201021 its reverse (120102201110201), we get a palindrome (222113303311222).

The spelling of 102011102201021 in words is "one hundred two trillion, eleven billion, one hundred two million, two hundred one thousand, twenty-one".