102020022101219 has 4 divisors (see below), whose sum is σ = 102160352256144. Its totient is φ = 101879691946296.

The previous prime is 102020022101183. The next prime is 102020022101267. The reversal of 102020022101219 is 912101220020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020022101219 is a prime.

It is a super-2 number, since 2×102020022101219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020022101194 and 102020022101203.

It is not an unprimeable number, because it can be changed into a prime (102020022151219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70165076372 + ... + 70165077825.

It is an arithmetic number, because the mean of its divisors is an integer number (25540088064036).

Almost surely, 2^{102020022101219} is an apocalyptic number.

102020022101219 is a deficient number, since it is larger than the sum of its proper divisors (140330154925).

102020022101219 is an equidigital number, since it uses as much as digits as its factorization.

102020022101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140330154924.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 102020022101219 in words is "one hundred two trillion, twenty billion, twenty-two million, one hundred one thousand, two hundred nineteen".