1202110200121 has 16 divisors (see below), whose sum is σ = 1315178961408. Its totient is φ = 1093819795200.

The previous prime is 1202110200103. The next prime is 1202110200127. The reversal of 1202110200121 is 1210020112021.

It is a cyclic number.

It is not a de Polignac number, because 1202110200121 - 2²⁵ = 1202076645689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202110200127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592035 + ... + 1659736.

It is an arithmetic number, because the mean of its divisors is an integer number (82198685088).

Almost surely, 2^{1202110200121} is an apocalyptic number.

It is an amenable number.

1202110200121 is a deficient number, since it is larger than the sum of its proper divisors (113068761287).

1202110200121 is a wasteful number, since it uses less digits than its factorization.

1202110200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252832.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202110200121 its reverse (1210020112021), we get a palindrome (2412130312142).

The spelling of 1202110200121 in words is "one trillion, two hundred two billion, one hundred ten million, two hundred thousand, one hundred twenty-one".