2235121252051 has 4 divisors (see below), whose sum is σ = 2235488333400. Its totient is φ = 2234754170704.

The previous prime is 2235121251983. The next prime is 2235121252069. The reversal of 2235121252051 is 1502521215322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2235121252051 - 2²⁷ = 2234987034323 is a prime.

It is a super-2 number, since 2×2235121252051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2235121252451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183531541 + ... + 183543718.

It is an arithmetic number, because the mean of its divisors is an integer number (558872083350).

Almost surely, 2^{2235121252051} is an apocalyptic number.

2235121252051 is a deficient number, since it is larger than the sum of its proper divisors (367081349).

2235121252051 is an equidigital number, since it uses as much as digits as its factorization.

2235121252051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367081348.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2235121252051 its reverse (1502521215322), we get a palindrome (3737642467373).

The spelling of 2235121252051 in words is "two trillion, two hundred thirty-five billion, one hundred twenty-one million, two hundred fifty-two thousand, fifty-one".