100120111212102 has 16 divisors (see below), whose sum is σ = 206699584438272. Its totient is φ = 32296810068360.

The previous prime is 100120111212091. The next prime is 100120111212119. The reversal of 100120111212102 is 201212111021001.

It is a happy number.

It is a super-2 number, since 2×100120111212102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269140083718 + ... + 269140084089.

It is an arithmetic number, because the mean of its divisors is an integer number (12918724027392).

Almost surely, 2^{100120111212102} is an apocalyptic number.

100120111212102 is an abundant number, since it is smaller than the sum of its proper divisors (106579473226170).

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

100120111212102 is a wasteful number, since it uses less digits than its factorization.

100120111212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538280167843.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100120111212102 its reverse (201212111021001), we get a palindrome (301332222233103).

The spelling of 100120111212102 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, one hundred two".