1201022201002 has 16 divisors (see below), whose sum is σ = 1944163146240. Its totient is φ = 553160693232.

The previous prime is 1201022200979. The next prime is 1201022201017. The reversal of 1201022201002 is 2001022201021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48205878 + ... + 48230785.

It is an arithmetic number, because the mean of its divisors is an integer number (121510196640).

Almost surely, 2^{1201022201002} is an apocalyptic number.

1201022201002 is a deficient number, since it is larger than the sum of its proper divisors (743140945238).

1201022201002 is a wasteful number, since it uses less digits than its factorization.

1201022201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96437157.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201022201002 its reverse (2001022201021), we get a palindrome (3202044402023).

The spelling of 1201022201002 in words is "one trillion, two hundred one billion, twenty-two million, two hundred one thousand, two".