201001021022 has 8 divisors (see below), whose sum is σ = 301541716776. Its totient is φ = 100487115432.

The previous prime is 201001020989. The next prime is 201001021057. The reversal of 201001021022 is 220120100102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201001020994 and 201001021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6678773 + ... + 6708800.

It is an arithmetic number, because the mean of its divisors is an integer number (37692714597).

Almost surely, 2^201001021022 is an apocalyptic number.

201001021022 is a deficient number, since it is larger than the sum of its proper divisors (100540695754).

201001021022 is a wasteful number, since it uses less digits than its factorization.

201001021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13395082.

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

Adding to 201001021022 its reverse (220120100102), we get a palindrome (421121121124).

The spelling of 201001021022 in words is "two hundred one billion, one million, twenty-one thousand, twenty-two".