201201100100022 has 64 divisors (see below), whose sum is σ = 440401742701056. Its totient is φ = 60773165256960.

The previous prime is 201201100099963. The next prime is 201201100100081. The reversal of 201201100100022 is 220001001102102.

It is an interprime number because it is at equal distance from previous prime (201201100099963) and next prime (201201100100081).

It is a junction number, because it is equal to n+sod(n) for n = 201201100099980 and 201201100100007.

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, 671297148 + ... + 671596800.

It is an arithmetic number, because the mean of its divisors is an integer number (6881277229704).

Almost surely, 2^{201201100100022} is an apocalyptic number.

201201100100022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201201100100022 is an abundant number, since it is smaller than the sum of its proper divisors (239200642601034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201201100100022 is a wasteful number, since it uses less digits than its factorization.

201201100100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332485.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201201100100022 its reverse (220001001102102), we get a palindrome (421202101202124).

The spelling of 201201100100022 in words is "two hundred one trillion, two hundred one billion, one hundred million, one hundred thousand, twenty-two".