1201210221022 has 32 divisors (see below), whose sum is σ = 2202825820608. Its totient is φ = 479526690816.

The previous prime is 1201210220993. The next prime is 1201210221031. The reversal of 1201210221022 is 2201220121021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201210220987 and 1201210221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25992903 + ... + 26039074.

It is an arithmetic number, because the mean of its divisors is an integer number (68838306894).

Almost surely, 2^{1201210221022} is an apocalyptic number.

1201210221022 is a deficient number, since it is larger than the sum of its proper divisors (1001615599586).

1201210221022 is a wasteful number, since it uses less digits than its factorization.

1201210221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52032100.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201210221022 its reverse (2201220121021), we get a palindrome (3402430342043).

The spelling of 1201210221022 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred twenty-one thousand, twenty-two".