201102022221021 has 16 divisors (see below), whose sum is σ = 298018578553920. Its totient is φ = 134027669278800.

The previous prime is 201102022220987. The next prime is 201102022221041. The reversal of 201102022221021 is 120122220201102.

It is a happy number.

201102022221021 is a `hidden beast` number, since 201 + 10 + 2 + 0 + 222 + 210 + 21 = 666.

It is not a de Polignac number, because 201102022221021 - 2¹¹ = 201102022218973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201102022220985 and 201102022221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102022221041) 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, 1120617930 + ... + 1120797371.

It is an arithmetic number, because the mean of its divisors is an integer number (18626161159620).

Almost surely, 2^{201102022221021} is an apocalyptic number.

It is an amenable number.

201102022221021 is a deficient number, since it is larger than the sum of its proper divisors (96916556332899).

201102022221021 is a wasteful number, since it uses less digits than its factorization.

201102022221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241418633 (or 2241418627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201102022221021 its reverse (120122220201102), we get a palindrome (321224242422123).

The spelling of 201102022221021 in words is "two hundred one trillion, one hundred two billion, twenty-two million, two hundred twenty-one thousand, twenty-one".