211450101442 has 8 divisors (see below), whose sum is σ = 317566246032. Its totient is φ = 105594686100.

The previous prime is 211450101439. The next prime is 211450101449. The reversal of 211450101442 is 244101054112.

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

It is a super-2 number, since 2×211450101442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211450101449) 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, 65180284 + ... + 65183527.

It is an arithmetic number, because the mean of its divisors is an integer number (39695780754).

Almost surely, 2^211450101442 is an apocalyptic number.

211450101442 is a deficient number, since it is larger than the sum of its proper divisors (106116144590).

211450101442 is a wasteful number, since it uses less digits than its factorization.

211450101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130364624.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 211450101442 its reverse (244101054112), we get a palindrome (455551155554).

The spelling of 211450101442 in words is "two hundred eleven billion, four hundred fifty million, one hundred one thousand, four hundred forty-two".