100210121102021 has 16 divisors (see below), whose sum is σ = 115638639667200. Its totient is φ = 85059812054448.

The previous prime is 100210121101969. The next prime is 100210121102087. The reversal of 100210121102021 is 120201121012001.

It is not a de Polignac number, because 100210121102021 - 2¹⁴ = 100210121085637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210121101987 and 100210121102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210121102921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109438160 + ... + 110350038.

It is an arithmetic number, because the mean of its divisors is an integer number (7227414979200).

Almost surely, 2^{100210121102021} is an apocalyptic number.

It is an amenable number.

100210121102021 is a deficient number, since it is larger than the sum of its proper divisors (15428518565179).

100210121102021 is a wasteful number, since it uses less digits than its factorization.

100210121102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064408.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100210121102021 its reverse (120201121012001), we get a palindrome (220411242114022).

The spelling of 100210121102021 in words is "one hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred two thousand, twenty-one".