1201021022 has 16 divisors (see below), whose sum is σ = 1898821440. Its totient is φ = 568862112.

The previous prime is 1201021013. The next prime is 1201021037. The reversal of 1201021022 is 2201201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201020994 and 1201021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192278 + ... + 198425.

It is an arithmetic number, because the mean of its divisors is an integer number (118676340).

Almost surely, 2^1201021022 is an apocalyptic number.

1201021022 is a deficient number, since it is larger than the sum of its proper divisors (697800418).

1201021022 is a wasteful number, since it uses less digits than its factorization.

1201021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390787.

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

The square root of 1201021022 is about 34655.7502010850. The cubic root of 1201021022 is about 1062.9598720157.

Adding to 1201021022 its reverse (2201201021), we get a palindrome (3402222043).

The spelling of 1201021022 in words is "one billion, two hundred one million, twenty-one thousand, twenty-two".