7121222202011 has 4 divisors (see below), whose sum is σ = 7133071158024. Its totient is φ = 7109373246000.

The previous prime is 7121222202001. The next prime is 7121222202049. The reversal of 7121222202011 is 1102022221217.

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

It is a cyclic number.

It is not a de Polignac number, because 7121222202011 - 2²⁶ = 7121155093147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7121222202001) 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, 5924477105 + ... + 5924478306.

It is an arithmetic number, because the mean of its divisors is an integer number (1783267789506).

Almost surely, 2^{7121222202011} is an apocalyptic number.

7121222202011 is a deficient number, since it is larger than the sum of its proper divisors (11848956013).

7121222202011 is a wasteful number, since it uses less digits than its factorization.

7121222202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848956012.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 7121222202011 its reverse (1102022221217), we get a palindrome (8223244423228).

The spelling of 7121222202011 in words is "seven trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, eleven".