211202102070 has 288 divisors, whose sum is σ = 586222116480. Its totient is φ = 52741877760.

The previous prime is 211202102051. The next prime is 211202102101. The reversal of 211202102070 is 70201202112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 876357150 + ... + 876357390.

It is an arithmetic number, because the mean of its divisors is an integer number (2035493460).

Almost surely, 2^211202102070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211202102070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293111058240).

211202102070 is an abundant number, since it is smaller than the sum of its proper divisors (375020014410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211202102070 is a wasteful number, since it uses less digits than its factorization.

211202102070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 211202102070 its reverse (70201202112), we get a palindrome (281403304182).

The spelling of 211202102070 in words is "two hundred eleven billion, two hundred two million, one hundred two thousand, seventy".