1021113222311 has 64 divisors (see below), whose sum is σ = 1329694507008. Its totient is φ = 762077973888.

The previous prime is 1021113222307. The next prime is 1021113222323. The reversal of 1021113222311 is 1132223111201.

It is not a de Polignac number, because 1021113222311 - 2² = 1021113222307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021113222391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44378936 + ... + 44401938.

It is an arithmetic number, because the mean of its divisors is an integer number (20776476672).

Almost surely, 2^{1021113222311} is an apocalyptic number.

1021113222311 is a deficient number, since it is larger than the sum of its proper divisors (308581284697).

1021113222311 is a wasteful number, since it uses less digits than its factorization.

1021113222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1021113222311 its reverse (1132223111201), we get a palindrome (2153336333512).

The spelling of 1021113222311 in words is "one trillion, twenty-one billion, one hundred thirteen million, two hundred twenty-two thousand, three hundred eleven".