1222100121104 has 40 divisors (see below), whose sum is σ = 2376126772320. Its totient is φ = 608909292288.

The previous prime is 1222100121101. The next prime is 1222100121119. The reversal of 1222100121104 is 4011210012221.

It is a super-2 number, since 2×1222100121104² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222100121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098567 + ... + 6295769.

It is an arithmetic number, because the mean of its divisors is an integer number (59403169308).

Almost surely, 2^{1222100121104} is an apocalyptic number.

It is an amenable number.

1222100121104 is a deficient number, since it is larger than the sum of its proper divisors (1154026651216).

1222100121104 is a wasteful number, since it uses less digits than its factorization.

1222100121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198567 (or 198561 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222100121104 its reverse (4011210012221), we get a palindrome (5233310133325).

The spelling of 1222100121104 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred four".