1202100200121 has 8 divisors (see below), whose sum is σ = 1602830332800. Its totient is φ = 801385100432.

The previous prime is 1202100200113. The next prime is 1202100200159. The reversal of 1202100200121 is 1210020012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202100200121 - 2³ = 1202100200113 is a prime.

It is a super-2 number, since 2×1202100200121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202100200097 and 1202100200106.

It is not an unprimeable number, because it can be changed into a prime (1202100200621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570321 + ... + 3892478.

It is an arithmetic number, because the mean of its divisors is an integer number (200353791600).

Almost surely, 2^{1202100200121} is an apocalyptic number.

It is an amenable number.

1202100200121 is a deficient number, since it is larger than the sum of its proper divisors (400730132679).

1202100200121 is an equidigital number, since it uses as much as digits as its factorization.

1202100200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516495.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202100200121 its reverse (1210020012021), we get a palindrome (2412120212142).

The spelling of 1202100200121 in words is "one trillion, two hundred two billion, one hundred million, two hundred thousand, one hundred twenty-one".