2100012220222 has 32 divisors (see below), whose sum is σ = 3642389150400. Its totient is φ = 889455644928.

The previous prime is 2100012220213. The next prime is 2100012220231. The reversal of 2100012220222 is 2220222100012.

It is an interprime number because it is at equal distance from previous prime (2100012220213) and next prime (2100012220231).

It is a junction number, because it is equal to n+sod(n) for n = 2100012220196 and 2100012220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175223 + ... + 2362450.

It is an arithmetic number, because the mean of its divisors is an integer number (113824660950).

Almost surely, 2^{2100012220222} is an apocalyptic number.

2100012220222 is a deficient number, since it is larger than the sum of its proper divisors (1542376930178).

2100012220222 is a wasteful number, since it uses less digits than its factorization.

2100012220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538180.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100012220222 its reverse (2220222100012), we get a palindrome (4320234320234).

The spelling of 2100012220222 in words is "two trillion, one hundred billion, twelve million, two hundred twenty thousand, two hundred twenty-two".