2102220122 has 4 divisors (see below), whose sum is σ = 3153330186. Its totient is φ = 1051110060.

The previous prime is 2102220061. The next prime is 2102220149. The reversal of 2102220122 is 2210222012.

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., 2093154001 + 9066121 = 45751^2 + 3011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102220097 and 2102220106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525555029 + ... + 525555032.

Almost surely, 2^2102220122 is an apocalyptic number.

2102220122 is a deficient number, since it is larger than the sum of its proper divisors (1051110064).

2102220122 is a wasteful number, since it uses less digits than its factorization.

2102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051110063.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2102220122 is about 45849.9740676044. The cubic root of 2102220122 is about 1281.0302825551.

Adding to 2102220122 its reverse (2210222012), we get a palindrome (4312442134).

It can be divided in two parts, 210222012 and 2, that multiplied together give a palindrome (420444024).

The spelling of 2102220122 in words is "two billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".