100121100211010 has 8 divisors (see below), whose sum is σ = 180217980379836. Its totient is φ = 40048440084400.

The previous prime is 100121100210941. The next prime is 100121100211021. The reversal of 100121100211010 is 10112001121001.

It can be written as a sum of positive squares in 2 ways, for example, as 84254206222081 + 15866893988929 = 9179009^2 + 3983327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100121100210982 and 100121100211000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006055010541 + ... + 5006055010560.

Almost surely, 2^{100121100211010} is an apocalyptic number.

100121100211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121100211010 is a deficient number, since it is larger than the sum of its proper divisors (80096880168826).

100121100211010 is a wasteful number, since it uses less digits than its factorization.

100121100211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012110021108.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100121100211010 its reverse (10112001121001), we get a palindrome (110233101332011).

Subtracting from 100121100211010 its reverse (10112001121001), we obtain a palindrome (90009099090009).

The spelling of 100121100211010 in words is "one hundred trillion, one hundred twenty-one billion, one hundred million, two hundred eleven thousand, ten".