121202201211002 has 8 divisors (see below), whose sum is σ = 192497613688116. Its totient is φ = 57036329981632.

The previous prime is 121202201211001. The next prime is 121202201211043. The reversal of 121202201211002 is 200112102202121.

It can be written as a sum of positive squares in 2 ways, for example, as 106136787757441 + 15065413453561 = 10302271^2 + 3881419^2 .

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 not an unprimeable number, because it can be changed into a prime (121202201211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782385311893 + ... + 1782385311960.

Almost surely, 2^{121202201211002} is an apocalyptic number.

121202201211002 is a deficient number, since it is larger than the sum of its proper divisors (71295412477114).

121202201211002 is a wasteful number, since it uses less digits than its factorization.

121202201211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564770623872.

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

Adding to 121202201211002 its reverse (200112102202121), we get a palindrome (321314303413123).

The spelling of 121202201211002 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred one million, two hundred eleven thousand, two".