121022210211002 has 4 divisors (see below), whose sum is σ = 181533315316506. Its totient is φ = 60511105105500.

The previous prime is 121022210210983. The next prime is 121022210211011. The reversal of 121022210211002 is 200112012220121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110962396109161 + 10059814101841 = 10533869^2 + 3171721^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255552552749 + ... + 30255552552752.

Almost surely, 2^{121022210211002} is an apocalyptic number.

121022210211002 is a deficient number, since it is larger than the sum of its proper divisors (60511105105504).

121022210211002 is an equidigital number, since it uses as much as digits as its factorization.

121022210211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60511105105503.

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

Adding to 121022210211002 its reverse (200112012220121), we get a palindrome (321134222431123).

The spelling of 121022210211002 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred eleven thousand, two".