211142023002 has 24 divisors (see below), whose sum is σ = 474417879936. Its totient is φ = 70380674172.

The previous prime is 211142022991. The next prime is 211142023003. The reversal of 211142023002 is 200320241112.

It is a happy number.

211142023002 is a `hidden beast` number, since 2 + 1 + 11 + 420 + 230 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (211142023003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217223818 + ... + 217224789.

It is an arithmetic number, because the mean of its divisors is an integer number (19767411664).

Almost surely, 2^211142023002 is an apocalyptic number.

211142023002 is an abundant number, since it is smaller than the sum of its proper divisors (263275856934).

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

211142023002 is an equidigital number, since it uses as much as digits as its factorization.

211142023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434448624 (or 434448612 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 211142023002 its reverse (200320241112), we get a palindrome (411462264114).

The spelling of 211142023002 in words is "two hundred eleven billion, one hundred forty-two million, twenty-three thousand, two".