1201021122002 has 12 divisors (see below), whose sum is σ = 1950770994570. Its totient is φ = 554317440768.

The previous prime is 1201021121983. The next prime is 1201021122097. The reversal of 1201021122002 is 2002211201021.

It can be written as a sum of positive squares in 3 ways, for example, as 896693469721 + 304327652281 = 946939^2 + 551659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1776658127 + ... + 1776658802.

Almost surely, 2^{1201021122002} is an apocalyptic number.

1201021122002 is a deficient number, since it is larger than the sum of its proper divisors (749749872568).

1201021122002 is a wasteful number, since it uses less digits than its factorization.

1201021122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553316957 (or 3553316944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201021122002 its reverse (2002211201021), we get a palindrome (3203232323023).

The spelling of 1201021122002 in words is "one trillion, two hundred one billion, twenty-one million, one hundred twenty-two thousand, two".