11402020311402 has 32 divisors (see below), whose sum is σ = 26074248579072. Its totient is φ = 3256159105584.

The previous prime is 11402020311377. The next prime is 11402020311419. The reversal of 11402020311402 is 20411302020411.

It is a super-2 number, since 2×11402020311402² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64952278 + ... + 65127585.

It is an arithmetic number, because the mean of its divisors is an integer number (814820268096).

Almost surely, 2^{11402020311402} is an apocalyptic number.

11402020311402 is an abundant number, since it is smaller than the sum of its proper divisors (14672228267670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11402020311402 is a wasteful number, since it uses less digits than its factorization.

11402020311402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130081962.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11402020311402 its reverse (20411302020411), we get a palindrome (31813322331813).

The spelling of 11402020311402 in words is "eleven trillion, four hundred two billion, twenty million, three hundred eleven thousand, four hundred two".