1012221223331 has 32 divisors (see below), whose sum is σ = 1053638295552. Its totient is φ = 971844531840.

The previous prime is 1012221223327. The next prime is 1012221223381. The reversal of 1012221223331 is 1333221222101.

1012221223331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1012221223331 - 2² = 1012221223327 is a prime.

It is a super-2 number, since 2×1012221223331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012221223297 and 1012221223306.

It is not an unprimeable number, because it can be changed into a prime (1012221223381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432387221 + ... + 432389561.

It is an arithmetic number, because the mean of its divisors is an integer number (32926196736).

Almost surely, 2^{1012221223331} is an apocalyptic number.

1012221223331 is a deficient number, since it is larger than the sum of its proper divisors (41417072221).

1012221223331 is a wasteful number, since it uses less digits than its factorization.

1012221223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1012221223331 its reverse (1333221222101), we get a palindrome (2345442445432).

The spelling of 1012221223331 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-one".