121220121222297 has 24 divisors (see below), whose sum is σ = 176929525730048. Its totient is φ = 79968235089600.

The previous prime is 121220121222287. The next prime is 121220121222307. The reversal of 121220121222297 is 792222121022121.

121220121222297 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 20 + 121 + 222 + 297 = 666.

It is an interprime number because it is at equal distance from previous prime (121220121222287) and next prime (121220121222307).

It is not a de Polignac number, because 121220121222297 - 2⁸ = 121220121222041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220121222227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48270529 + ... + 50719662.

Almost surely, 2^{121220121222297} is an apocalyptic number.

It is an amenable number.

121220121222297 is a deficient number, since it is larger than the sum of its proper divisors (55709404507751).

121220121222297 is a wasteful number, since it uses less digits than its factorization.

121220121222297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98991621 (or 98991618 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 121220121222297 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred ninety-seven".