2402221212011 has 4 divisors (see below), whose sum is σ = 2528653907400. Its totient is φ = 2275788516624.

The previous prime is 2402221211981. The next prime is 2402221212077. The reversal of 2402221212011 is 1102121222042.

It is a happy number.

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 2402221212011 - 2¹⁸ = 2402220949867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402221211011) 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, 63216347666 + ... + 63216347703.

It is an arithmetic number, because the mean of its divisors is an integer number (632163476850).

Almost surely, 2^{2402221212011} is an apocalyptic number.

2402221212011 is a deficient number, since it is larger than the sum of its proper divisors (126432695389).

2402221212011 is a wasteful number, since it uses less digits than its factorization.

2402221212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126432695388.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2402221212011 its reverse (1102121222042), we get a palindrome (3504342434053).

The spelling of 2402221212011 in words is "two trillion, four hundred two billion, two hundred twenty-one million, two hundred twelve thousand, eleven".