2211421301142 has 32 divisors (see below), whose sum is σ = 4479045465600. Its totient is φ = 727774196448.

The previous prime is 2211421301087. The next prime is 2211421301161. The reversal of 2211421301142 is 2411031241122.

It is a super-2 number, since 2×2211421301142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 10756084 + ... + 10959752.

It is an arithmetic number, because the mean of its divisors is an integer number (139970170800).

Almost surely, 2^{2211421301142} is an apocalyptic number.

2211421301142 is an abundant number, since it is smaller than the sum of its proper divisors (2267624164458).

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

2211421301142 is a wasteful number, since it uses less digits than its factorization.

2211421301142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226660.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2211421301142 its reverse (2411031241122), we get a palindrome (4622452542264).

The spelling of 2211421301142 in words is "two trillion, two hundred eleven billion, four hundred twenty-one million, three hundred one thousand, one hundred forty-two".