101220010112121 has 8 divisors (see below), whose sum is σ = 134960703080544. Its totient is φ = 67479661942560.

The previous prime is 101220010112099. The next prime is 101220010112141. The reversal of 101220010112121 is 121211010022101.

It is a happy number.

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

It is not a de Polignac number, because 101220010112121 - 2²¹ = 101220008014969 is a prime.

It is a super-2 number, since 2×101220010112121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101220010112121.

It is not an unprimeable number, because it can be changed into a prime (101220010112141) 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, 85513956 + ... + 86689541.

It is an arithmetic number, because the mean of its divisors is an integer number (16870087885068).

Almost surely, 2^{101220010112121} is an apocalyptic number.

It is an amenable number.

101220010112121 is a deficient number, since it is larger than the sum of its proper divisors (33740692968423).

101220010112121 is a wasteful number, since it uses less digits than its factorization.

101220010112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172399431.

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

Adding to 101220010112121 its reverse (121211010022101), we get a palindrome (222431020134222).

The spelling of 101220010112121 in words is "one hundred one trillion, two hundred twenty billion, ten million, one hundred twelve thousand, one hundred twenty-one".