121357046266 has 16 divisors (see below), whose sum is σ = 184801649760. Its totient is φ = 59756978160.

The previous prime is 121357046231. The next prime is 121357046287. The reversal of 121357046266 is 662640753121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393505 + ... + 630523.

It is an arithmetic number, because the mean of its divisors is an integer number (11550103110).

Almost surely, 2^121357046266 is an apocalyptic number.

121357046266 is a deficient number, since it is larger than the sum of its proper divisors (63444603494).

121357046266 is a wasteful number, since it uses less digits than its factorization.

121357046266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240909.

The product of its (nonzero) digits is 362880, while the sum is 43.

Adding to 121357046266 its reverse (662640753121), we get a palindrome (783997799387).

The spelling of 121357046266 in words is "one hundred twenty-one billion, three hundred fifty-seven million, forty-six thousand, two hundred sixty-six".