201010021022 has 4 divisors (see below), whose sum is σ = 301515031536. Its totient is φ = 100505010510.

The previous prime is 201010021021. The next prime is 201010021057. The reversal of 201010021022 is 220120010102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201010020994 and 201010021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010021021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252505254 + ... + 50252505257.

It is an arithmetic number, because the mean of its divisors is an integer number (75378757884).

Almost surely, 2^201010021022 is an apocalyptic number.

201010021022 is a deficient number, since it is larger than the sum of its proper divisors (100505010514).

201010021022 is a wasteful number, since it uses less digits than its factorization.

201010021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100505010513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201010021022 its reverse (220120010102), we get a palindrome (421130031124).

The spelling of 201010021022 in words is "two hundred one billion, ten million, twenty-one thousand, twenty-two".