122002111009997 has 2 divisors, whose sum is σ = 122002111009998. Its totient is φ = 122002111009996.

The previous prime is 122002111009957. The next prime is 122002111010053. The reversal of 122002111009997 is 799900111200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70076554138276 + 51925556871721 = 8371174^2 + 7205939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002111009997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002111009957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001055504998 + 61001055504999.

It is an arithmetic number, because the mean of its divisors is an integer number (61001055504999).

Almost surely, 2^{122002111009997} is an apocalyptic number.

It is an amenable number.

122002111009997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002111009997 is an equidigital number, since it uses as much as digits as its factorization.

122002111009997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 122002111009997 in words is "one hundred twenty-two trillion, two billion, one hundred eleven million, nine thousand, nine hundred ninety-seven".