70102120121111 has 8 divisors (see below), whose sum is σ = 75773168729664. Its totient is φ = 64470868345440.

The previous prime is 70102120121101. The next prime is 70102120121149. The reversal of 70102120121111 is 11112102120107.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70102120121111 - 2¹⁴ = 70102120104727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70102120121101) 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, 9949204556 + ... + 9949211601.

It is an arithmetic number, because the mean of its divisors is an integer number (9471646091208).

Almost surely, 2^{70102120121111} is an apocalyptic number.

70102120121111 is a deficient number, since it is larger than the sum of its proper divisors (5671048608553).

70102120121111 is a wasteful number, since it uses less digits than its factorization.

70102120121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898416441.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 70102120121111 its reverse (11112102120107), we get a palindrome (81214222241218).

The spelling of 70102120121111 in words is "seventy trillion, one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred eleven".