210222212111031 has 16 divisors (see below), whose sum is σ = 289390110264320. Its totient is φ = 135602853053760.

The previous prime is 210222212110987. The next prime is 210222212111053. The reversal of 210222212111031 is 130111212222012.

It is not a de Polignac number, because 210222212111031 - 2¹⁰ = 210222212110007 is a prime.

It is a super-2 number, since 2×210222212111031² (a number of 29 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 = 210222212110989 and 210222212111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222212111071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202651246 + ... + 203685963.

It is an arithmetic number, because the mean of its divisors is an integer number (18086881891520).

Almost surely, 2^{210222212111031} is an apocalyptic number.

210222212111031 is a deficient number, since it is larger than the sum of its proper divisors (79167898153289).

210222212111031 is a wasteful number, since it uses less digits than its factorization.

210222212111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406342806.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 210222212111031 its reverse (130111212222012), we get a palindrome (340333424333043).

The spelling of 210222212111031 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, thirty-one".