102211132021 has 16 divisors (see below), whose sum is σ = 106480000000. Its totient is φ = 98007148800.

The previous prime is 102211132007. The next prime is 102211132031. The reversal of 102211132021 is 120231112201.

It is a cyclic number.

It is not a de Polignac number, because 102211132021 - 2¹³ = 102211123829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211131986 and 102211132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211132031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452355 + ... + 1521103.

It is an arithmetic number, because the mean of its divisors is an integer number (6655000000).

Almost surely, 2^102211132021 is an apocalyptic number.

It is an amenable number.

102211132021 is a deficient number, since it is larger than the sum of its proper divisors (4268867979).

102211132021 is a wasteful number, since it uses less digits than its factorization.

102211132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69220.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102211132021 its reverse (120231112201), we get a palindrome (222442244222).

The spelling of 102211132021 in words is "one hundred two billion, two hundred eleven million, one hundred thirty-two thousand, twenty-one".