121022210977 has 2 divisors, whose sum is σ = 121022210978. Its totient is φ = 121022210976.

The previous prime is 121022210927. The next prime is 121022211041. The reversal of 121022210977 is 779012220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76701856401 + 44320354576 = 276951^2 + 210524^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022210977 - 2¹¹ = 121022208929 is a prime.

It is a super-2 number, since 2×121022210977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121022210927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511105488 + 60511105489.

It is an arithmetic number, because the mean of its divisors is an integer number (60511105489).

Almost surely, 2^121022210977 is an apocalyptic number.

It is an amenable number.

121022210977 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022210977 is an equidigital number, since it uses as much as digits as its factorization.

121022210977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 121022210977 in words is "one hundred twenty-one billion, twenty-two million, two hundred ten thousand, nine hundred seventy-seven".