102211001122 has 4 divisors (see below), whose sum is σ = 153316501686. Its totient is φ = 51105500560.

The previous prime is 102211001083. The next prime is 102211001129. The reversal of 102211001122 is 221100112201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82628077401 + 19582923721 = 287451^2 + 139939^2 .

It is a super-2 number, since 2×102211001122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102211001129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552750279 + ... + 25552750282.

Almost surely, 2^102211001122 is an apocalyptic number.

102211001122 is a deficient number, since it is larger than the sum of its proper divisors (51105500564).

102211001122 is an equidigital number, since it uses as much as digits as its factorization.

102211001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105500563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211001122 its reverse (221100112201), we get a palindrome (323311113323).

The spelling of 102211001122 in words is "one hundred two billion, two hundred eleven million, one thousand, one hundred twenty-two".