121022210111002 has 4 divisors (see below), whose sum is σ = 181533315166506. Its totient is φ = 60511105055500.

The previous prime is 121022210110993. The next prime is 121022210111003. The reversal of 121022210111002 is 200111012220121.

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., 95435295271801 + 25586914839201 = 9769099^2 + 5058351^2 .

It is a super-2 number, since 2×121022210111002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121022210111003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255552527749 + ... + 30255552527752.

Almost surely, 2^{121022210111002} is an apocalyptic number.

121022210111002 is a deficient number, since it is larger than the sum of its proper divisors (60511105055504).

121022210111002 is an equidigital number, since it uses as much as digits as its factorization.

121022210111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60511105055503.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121022210111002 its reverse (200111012220121), we get a palindrome (321133222331123).

The spelling of 121022210111002 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, one hundred eleven thousand, two".