210023001122 has 12 divisors (see below), whose sum is σ = 346277593158. Its totient is φ = 95465000400.

The previous prime is 210023001091. The next prime is 210023001127. The reversal of 210023001122 is 221100320012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 186208647361 + 23814353761 = 431519^2 + 154319^2 .

It is a super-2 number, since 2×210023001122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210023001097 and 210023001106.

It is not an unprimeable number, because it can be changed into a prime (210023001127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433931579 + ... + 433932062.

Almost surely, 2^210023001122 is an apocalyptic number.

210023001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210023001122 is a deficient number, since it is larger than the sum of its proper divisors (136254592036).

210023001122 is a wasteful number, since it uses less digits than its factorization.

210023001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867863665 (or 867863654 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210023001122 its reverse (221100320012), we get a palindrome (431123321134).

The spelling of 210023001122 in words is "two hundred ten billion, twenty-three million, one thousand, one hundred twenty-two".