101021102222121 has 8 divisors (see below), whose sum is σ = 149660892180960. Its totient is φ = 67347401481396.

The previous prime is 101021102222111. The next prime is 101021102222149. The reversal of 101021102222121 is 121222201120101.

101021102222121 is a `hidden beast` number, since 10 + 10 + 211 + 0 + 222 + 212 + 1 = 666.

It is not a de Polignac number, because 101021102222121 - 2¹³ = 101021102213929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021102222094 and 101021102222103.

It is not an unprimeable number, because it can be changed into a prime (101021102222111) 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, 1870761152235 + ... + 1870761152288.

It is an arithmetic number, because the mean of its divisors is an integer number (18707611522620).

Almost surely, 2^{101021102222121} is an apocalyptic number.

It is an amenable number.

101021102222121 is a deficient number, since it is larger than the sum of its proper divisors (48639789958839).

101021102222121 is an equidigital number, since it uses as much as digits as its factorization.

101021102222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741522304532 (or 3741522304526 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101021102222121 its reverse (121222201120101), we get a palindrome (222243303342222).

The spelling of 101021102222121 in words is "one hundred one trillion, twenty-one billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-one".