2100220201222 has 64 divisors (see below), whose sum is σ = 3720373203456. Its totient is φ = 876630792960.

The previous prime is 2100220201207. The next prime is 2100220201307. The reversal of 2100220201222 is 2221020220012.

It is a junction number, because it is equal to n+sod(n) for n = 2100220201196 and 2100220201205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45004233 + ... + 45050875.

It is an arithmetic number, because the mean of its divisors is an integer number (58130831304).

Almost surely, 2^{2100220201222} is an apocalyptic number.

2100220201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100220201222 is a deficient number, since it is larger than the sum of its proper divisors (1620153002234).

2100220201222 is a wasteful number, since it uses less digits than its factorization.

2100220201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47485.

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

Adding to 2100220201222 its reverse (2221020220012), we get a palindrome (4321240421234).

The spelling of 2100220201222 in words is "two trillion, one hundred billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".