121053113153 has 12 divisors (see below), whose sum is σ = 140822568432. Its totient is φ = 103755624840.

The previous prime is 121053113143. The next prime is 121053113213. The reversal of 121053113153 is 351311350121.

It is a happy number.

It is not a de Polignac number, because 121053113153 - 2⁸ = 121053112897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121053113143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235626 + ... + 2289132.

It is an arithmetic number, because the mean of its divisors is an integer number (11735214036).

Almost surely, 2^121053113153 is an apocalyptic number.

It is an amenable number.

121053113153 is a deficient number, since it is larger than the sum of its proper divisors (19769455279).

121053113153 is an equidigital number, since it uses as much as digits as its factorization.

121053113153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99692 (or 99685 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 121053113153 its reverse (351311350121), we get a palindrome (472364463274).

The spelling of 121053113153 in words is "one hundred twenty-one billion, fifty-three million, one hundred thirteen thousand, one hundred fifty-three".