1200202121102 has 16 divisors (see below), whose sum is σ = 1865523266640. Its totient is φ = 578430824832.

The previous prime is 1200202121093. The next prime is 1200202121123. The reversal of 1200202121102 is 2011212020021.

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, 17413448 + ... + 17482235.

It is an arithmetic number, because the mean of its divisors is an integer number (116595204165).

Almost surely, 2^{1200202121102} is an apocalyptic number.

1200202121102 is a deficient number, since it is larger than the sum of its proper divisors (665321145538).

1200202121102 is a wasteful number, since it uses less digits than its factorization.

1200202121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34896307.

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

Adding to 1200202121102 its reverse (2011212020021), we get a palindrome (3211414141123).

The spelling of 1200202121102 in words is "one trillion, two hundred billion, two hundred two million, one hundred twenty-one thousand, one hundred two".