100120021020111 has 8 divisors (see below), whose sum is σ = 141345912028464. Its totient is φ = 62820405345920.

The previous prime is 100120021020101. The next prime is 100120021020137. The reversal of 100120021020111 is 111020120021001.

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

It is a cyclic number.

It is not a de Polignac number, because 100120021020111 - 2⁷ = 100120021019983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120021020101) 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, 981568833480 + ... + 981568833581.

It is an arithmetic number, because the mean of its divisors is an integer number (17668239003558).

Almost surely, 2^{100120021020111} is an apocalyptic number.

100120021020111 is a deficient number, since it is larger than the sum of its proper divisors (41225891008353).

100120021020111 is a wasteful number, since it uses less digits than its factorization.

100120021020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963137667081.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100120021020111 its reverse (111020120021001), we get a palindrome (211140141041112).

The spelling of 100120021020111 in words is "one hundred trillion, one hundred twenty billion, twenty-one million, twenty thousand, one hundred eleven".