100121021121011 has 8 divisors (see below), whose sum is σ = 109223207158464. Its totient is φ = 91018880921320.

The previous prime is 100121021120977. The next prime is 100121021121073. The reversal of 100121021121011 is 110121120121001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100121021121011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121021121091) 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, 6810365 + ... + 15704238.

It is an arithmetic number, because the mean of its divisors is an integer number (13652900894808).

Almost surely, 2^{100121021121011} is an apocalyptic number.

100121021121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100121021121011 is a deficient number, since it is larger than the sum of its proper divisors (9102186037453).

100121021121011 is a wasteful number, since it uses less digits than its factorization.

100121021121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22918881.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100121021121011 its reverse (110121120121001), we get a palindrome (210242141242012).

The spelling of 100121021121011 in words is "one hundred trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-one thousand, eleven".