20101000211222 has 32 divisors (see below), whose sum is σ = 37523256825600. Its totient is φ = 7879883927328.

The previous prime is 20101000211209. The next prime is 20101000211239. The reversal of 20101000211222 is 22211200010102.

It is a super-2 number, since 2×20101000211222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20101000211197 and 20101000211206.

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, 1302883148 + ... + 1302898575.

It is an arithmetic number, because the mean of its divisors is an integer number (1172601775800).

Almost surely, 2^{20101000211222} is an apocalyptic number.

20101000211222 is a deficient number, since it is larger than the sum of its proper divisors (17422256614378).

20101000211222 is a wasteful number, since it uses less digits than its factorization.

20101000211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605781780.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101000211222 its reverse (22211200010102), we get a palindrome (42312200221324).

The spelling of 20101000211222 in words is "twenty trillion, one hundred one billion, two hundred eleven thousand, two hundred twenty-two".