102020211101219 has 16 divisors (see below), whose sum is σ = 113707331949600. Its totient is φ = 90964913370624.

The previous prime is 102020211101177. The next prime is 102020211101227. The reversal of 102020211101219 is 912101112020201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102020211101219 - 2¹⁶ = 102020211035683 is a prime.

It is a super-2 number, since 2×102020211101219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020211101194 and 102020211101203.

It is not an unprimeable number, because it can be changed into a prime (102020211101279) 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, 70495169 + ... + 71927805.

It is an arithmetic number, because the mean of its divisors is an integer number (7106708246850).

Almost surely, 2^{102020211101219} is an apocalyptic number.

102020211101219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102020211101219 is a deficient number, since it is larger than the sum of its proper divisors (11687120848381).

102020211101219 is a wasteful number, since it uses less digits than its factorization.

102020211101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653142.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 102020211101219 in words is "one hundred two trillion, twenty billion, two hundred eleven million, one hundred one thousand, two hundred nineteen".