121100122120202 has 8 divisors (see below), whose sum is σ = 192335488073316. Its totient is φ = 56988292762432.

The previous prime is 121100122120189. The next prime is 121100122120213. The reversal of 121100122120202 is 202021221001121.

It can be written as a sum of positive squares in 2 ways, for example, as 119446560163921 + 1653561956281 = 10929161^2 + 1285909^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780884148793 + ... + 1780884148860.

Almost surely, 2^{121100122120202} is an apocalyptic number.

121100122120202 is a deficient number, since it is larger than the sum of its proper divisors (71235365953114).

121100122120202 is a wasteful number, since it uses less digits than its factorization.

121100122120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561768297672.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121100122120202 its reverse (202021221001121), we get a palindrome (323121343121323).

The spelling of 121100122120202 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-two million, one hundred twenty thousand, two hundred two".